docs: perf: Fujitsu: Fix htmldocs build warnings and errors

Running "make htmldocs" generates the following build errors and
warnings for fujitsu_uncore_pmu.rst:

Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:20: ERROR: Unexpected indentation.
Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:23: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:28: ERROR: Unexpected indentation.
Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:29: WARNING: Block quote ends without a blank line; unexpected unindent.
Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:81: ERROR: Unexpected indentation.
Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst:82: WARNING: Block quote ends without a blank line; unexpected unindent.

Add blank line before bullet lists, block quotes to fix build
errors, resolve warnings and properly render perf commands as
code blocks.

Signed-off-by: Gopi Krishna Menon <[email protected]>
Reviewed-by: Koichi Okuno <[email protected]>
Fixes: bad1155 ("perf: Fujitsu: Add the Uncore PMU driver")
Reviewed-by: Bagas Sanjaya <[email protected]>
Reviewed-by: Randy Dunlap <[email protected]>
Tested-by: Randy Dunlap <[email protected]>
Signed-off-by: Will Deacon <[email protected]>

Author: gopi487krishna

Documentation/admin-guide/perf/fujitsu_uncore_pmu.rst

@@ -15,15 +15,19 @@ The driver provides a description of its available events and configuration
 options in sysfs, see /sys/bus/event_sources/devices/mac_iod<iod>_mac<mac>_ch<ch>/
 and /sys/bus/event_sources/devices/pci_iod<iod>_pci<pci>/.
 This driver exports:
+
 - formats, used by perf user space and other tools to configure events
 - events, used by perf user space and other tools to create events
-  symbolically, e.g.:
+  symbolically, e.g.::
+
     perf stat -a -e mac_iod0_mac0_ch0/event=0x21/ ls
     perf stat -a -e pci_iod0_pci0/event=0x24/ ls
+
 - cpumask, used by perf user space and other tools to know on which CPUs
   to open the events
 
 This driver supports the following events for MAC:
+
 - cycles
   This event counts MAC cycles at MAC frequency.
 - read-count
@@ -77,6 +81,7 @@ Examples for use with perf::
   perf stat -e mac_iod0_mac0_ch0/ea-mac/ ls
 
 And, this driver supports the following events for PCI:
+
 - pci-port0-cycles
   This event counts PCI cycles at PCI frequency in port0.
 - pci-port0-read-count