arm64: Add SOPHGO SOC family Kconfig support

First user will be Aarch64 core within SG2000 SoC.

Reviewed-by: Chen Wang <[email protected]>
Reviewed-by: Inochi Amaoto <[email protected]>
Signed-off-by: Alexander Sverdlin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Inochi Amaoto <[email protected]>
Signed-off-by: Chen Wang <[email protected]>
Signed-off-by: Chen Wang <[email protected]>

Author: sverdlin

arch/arm64/Kconfig.platforms

@@ -307,6 +307,12 @@ config ARCH_INTEL_SOCFPGA
 	  Stratix 10 (ex. Altera), Stratix10 Software Virtual Platform,
 	  Agilex and eASIC N5X.
 
+config ARCH_SOPHGO
+	bool "Sophgo SoCs"
+	select ARCH_HAS_RESET_CONTROLLER
+	help
+	  This enables support for Sophgo SoC platform hardware.
+
 config ARCH_STM32
 	bool "STMicroelectronics STM32 SoC Family"
 	select GPIOLIB