ARM: dts: aspeed: sbp1: IBM sbp1 BMC board

Add a device tree for IBM sbp1 BMC board which is based on AST2600 SOC.

sbp1 baseboard has:
- support for up to four Sapphire Rapids sockets having 16 DIMMS each.
  - 240 core/480 threads at maximum
- 32x CPU PCIe slots
- 2x M.2 PCH PCIe slots
- Dual 200Gbit/s NIC
- SPI TPM

Added the following:
- Indication LEDs
- I2C mux & GPIO controller, pin assignments,
- Thermister,
- Voltage regulator
- EEPROM/VPD

Signed-off-by: Patrick Rudolph <[email protected]>
Signed-off-by: Naresh Solanki <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Andrew Jeffery <[email protected]>

Author: PatrickRudolph

arch/arm/boot/dts/aspeed/Makefile

@@ -41,6 +41,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-bmc-ibm-rainier.dtb \
 	aspeed-bmc-ibm-rainier-1s4u.dtb \
 	aspeed-bmc-ibm-rainier-4u.dtb \
+	aspeed-bmc-ibm-sbp1.dtb \
 	aspeed-bmc-ibm-system1.dtb \
 	aspeed-bmc-intel-s2600wf.dtb \
 	aspeed-bmc-inspur-fp5280g2.dtb \