ARM: dts: aspeed: Add Inspur fp5280g2 BMC machine

The fp5280g2 is an OpenPower server platform with an ASPEED AST2500 BMC.
Signed-off-by: John Wang <wangzqbj@inspur.com>
Reviewed-by: Lei YU <mine260309@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>

arch/arm/boot/dts/Makefile

@@ -1270,6 +1270,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	aspeed-bmc-facebook-tiogapass.dtb \
 	aspeed-bmc-facebook-yamp.dtb \
 	aspeed-bmc-intel-s2600wf.dtb \
+	aspeed-bmc-inspur-fp5280g2.dtb \
 	aspeed-bmc-lenovo-hr630.dtb \
 	aspeed-bmc-microsoft-olympus.dtb \
 	aspeed-bmc-opp-lanyang.dtb \