arm64: add Raspberry Pi specific config: CONFIG_OPENEULER_RASPBERRYPI for openEuler

raspberrypi inclusion
category: feature
bugzilla: 50432

------------------------------

Add new config CONFIG_OPENEULER_RASPBERRYPI to denote that the compiled kernel will be used for Raspberry Pi.
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm64/configs/bcm2711_defconfig

@@ -1353,6 +1353,7 @@ CONFIG_MAILBOX=y
 CONFIG_BCM2835_MBOX=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_RASPBERRYPI_POWER=y
+CONFIG_OPENEULER_RASPBERRYPI=y
 CONFIG_EXTCON_ARIZONA=m
 CONFIG_IIO=m
 CONFIG_IIO_BUFFER_CB=m

drivers/soc/bcm/Kconfig

@@ -23,6 +23,13 @@ config RASPBERRYPI_POWER
 	  This enables support for the RPi power domains which can be enabled
 	  or disabled via the RPi firmware.
 
+config OPENEULER_RASPBERRYPI
+	bool "Raspberry Pi specific config for openEuler"
+	default n
+	select ARCH_BCM2835
+	help
+	  This enables support for the Raspberry Pi devices specific code in openEuler kernel.
+
 config SOC_BCM63XX
 	bool "Broadcom 63xx SoC drivers"
 	depends on BMIPS_GENERIC || COMPILE_TEST