perf(linux): AM64X: Add remote proc performance numbers for 11.1 release

[h-nagalla]

Add remote proc latency numbers for AM64x.

[github-actions]

New warnings found with rstcheck:

source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:783: (INFO/1) Duplicate implicit target name: "lmbench".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:929: (INFO/1) Duplicate implicit target name: "dhrystone".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:943: (INFO/1) Duplicate implicit target name: "whetstone".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:953: (INFO/1) Duplicate implicit target name: "linpack".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:964: (INFO/1) Duplicate implicit target name: "coremarkpro".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1003: (INFO/1) Duplicate implicit target name: "multibench".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1056: (INFO/1) Duplicate implicit target name: "boot-time measurement".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1060: (INFO/1) Duplicate implicit target name: "boot media: mmcsd".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1075: (INFO/1) Duplicate implicit target name: "ethernet".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1143: (INFO/1) Duplicate implicit target name: "cpsw/cpsw2g/cpsw3g ethernet driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:3: (WARNING/2) Duplicate explicit target name: "cpsw2g-tcp-bidirectional-throughput".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1159: (INFO/1) Duplicate implicit target name: "icssg ethernet driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:3: (WARNING/2) Duplicate explicit target name: "tcp-bidirectional-throughput".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:3: (WARNING/2) Duplicate explicit target name: "icssg-tcp-bidirectional-throughput-interrupt-pacing".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:3: (WARNING/2) Duplicate explicit target name: "udp-egress-throughput-0-loss".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:3: (WARNING/2) Duplicate explicit target name: "udp-ingress-throughput-0-loss".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1215: (INFO/1) Duplicate implicit target name: "ospi flash driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1218: (INFO/1) Duplicate implicit target name: "am64xx-evm".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1222: (INFO/1) Duplicate implicit target name: "raw".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1231: (INFO/1) Duplicate implicit target name: "emmc driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1241: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1252: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1264: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1276: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1289: (INFO/1) Duplicate implicit target name: "uboot emmc driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1298: (INFO/1) Duplicate implicit target name: "mmcsd".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1309: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1322: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1337: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1351: (SEVERE/4) Title level inconsistent:
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1373: (INFO/1) Duplicate implicit target name: "crypto driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1376: (INFO/1) Duplicate implicit target name: "openssl performance".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1454: (INFO/1) Duplicate implicit target name: "remoteproc driver".
source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst:1457: (INFO/1) Duplicate implicit target name: "rp message latency performance".

[praneethbajjuri]

All the section below doesnt belong in this patch .. please remove /rebase your patch)

[nsaulnier-ti]

Change to RP Message (or RPMessage) Inter-Processor Communication (IPC) Latency

[nsaulnier-ti]

Linux userspace application rpmsg_char_benchmark is used to capture latency values:
https://git.ti.com/cgit/rpmsg/ti-rpmsg-char/