ARM: socfpga: introduce common ARCH_INTEL_SOCFPGA

Simplify 32-bit and 64-bit Intel SoCFPGA Kconfig options by having only
one for both of them.  This the common practice for other platforms.
Additionally, the ARCH_SOCFPGA is too generic as SoCFPGA designs come
from multiple vendors.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm/Kconfig

@@ -1320,7 +1320,7 @@ config ARM_PSCI
 # selected platforms.
 config ARCH_NR_GPIO
 	int
-	default 2048 if ARCH_SOCFPGA
+	default 2048 if ARCH_INTEL_SOCFPGA
 	default 1024 if ARCH_BRCMSTB || ARCH_RENESAS || ARCH_TEGRA || \
 		ARCH_ZYNQ || ARCH_ASPEED
 	default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \

arch/arm/Kconfig.debug

@@ -1087,7 +1087,7 @@ choice
 		  on SD5203 UART.
 
 	config DEBUG_SOCFPGA_UART0
-		depends on ARCH_SOCFPGA
+		depends on ARCH_INTEL_SOCFPGA
 		bool "Use SOCFPGA UART0 for low-level debug"
 		select DEBUG_UART_8250
 		help
@@ -1095,7 +1095,7 @@ choice
 		  on SOCFPGA(Cyclone 5 and Arria 5) based platforms.
 
 	config DEBUG_SOCFPGA_ARRIA10_UART1
-		depends on ARCH_SOCFPGA
+		depends on ARCH_INTEL_SOCFPGA
 		bool "Use SOCFPGA Arria10 UART1 for low-level debug"
 		select DEBUG_UART_8250
 		help
@@ -1103,7 +1103,7 @@ choice
 		  on SOCFPGA(Arria 10) based platforms.
 
 	config DEBUG_SOCFPGA_CYCLONE5_UART1
-		depends on ARCH_SOCFPGA
+		depends on ARCH_INTEL_SOCFPGA
 		bool "Use SOCFPGA Cyclone 5 UART1 for low-level debug"
 		select DEBUG_UART_8250
 		help

arch/arm/Makefile

@@ -209,7 +209,7 @@ machine-$(CONFIG_PLAT_SAMSUNG)		+= s3c
 machine-$(CONFIG_ARCH_S5PV210)		+= s5pv210
 machine-$(CONFIG_ARCH_SA1100)		+= sa1100
 machine-$(CONFIG_ARCH_RENESAS)	 	+= shmobile
-machine-$(CONFIG_ARCH_SOCFPGA)		+= socfpga
+machine-$(CONFIG_ARCH_INTEL_SOCFPGA)	+= socfpga
 machine-$(CONFIG_ARCH_STI)		+= sti
 machine-$(CONFIG_ARCH_STM32)		+= stm32
 machine-$(CONFIG_ARCH_SUNXI)		+= sunxi

arch/arm/boot/dts/Makefile

@@ -1033,7 +1033,7 @@ dtb-$(CONFIG_ARCH_S5PV210) += \
 	s5pv210-smdkc110.dtb \
 	s5pv210-smdkv210.dtb \
 	s5pv210-torbreck.dtb
-dtb-$(CONFIG_ARCH_SOCFPGA) += \
+dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += \
 	socfpga_arria5_socdk.dtb \
 	socfpga_arria10_socdk_nand.dtb \
 	socfpga_arria10_socdk_qspi.dtb \

arch/arm/mach-socfpga/Kconfig

@@ -2,6 +2,7 @@
 menuconfig ARCH_SOCFPGA
 	bool "Altera SOCFPGA family"
 	depends on ARCH_MULTI_V7
+	select ARCH_INTEL_SOCFPGA
 	select ARCH_SUPPORTS_BIG_ENDIAN
 	select ARM_AMBA
 	select ARM_GIC
@@ -20,6 +21,9 @@ menuconfig ARCH_SOCFPGA
 	select PL310_ERRATA_769419
 
 if ARCH_SOCFPGA
+config ARCH_INTEL_SOCFPGA
+	bool
+
 config SOCFPGA_SUSPEND
 	bool "Suspend to RAM on SOCFPGA"
 	help

arch/arm64/Kconfig.platforms

@@ -256,9 +256,13 @@ config ARCH_SEATTLE
 
 config ARCH_STRATIX10
 	bool "Altera's Stratix 10 SoCFPGA Family"
+	select ARCH_INTEL_SOCFPGA
 	help
 	  This enables support for Altera's Stratix 10 SoCFPGA Family.
 
+config ARCH_INTEL_SOCFPGA
+	bool
+
 config ARCH_SYNQUACER
 	bool "Socionext SynQuacer SoC Family"
 

arch/arm64/boot/dts/altera/Makefile

 # SPDX-License-Identifier: GPL-2.0-only
-dtb-$(CONFIG_ARCH_STRATIX10) += socfpga_stratix10_socdk.dtb \
+dtb-$(CONFIG_ARCH_INTEL_SOCFPGA) += socfpga_stratix10_socdk.dtb \
 				socfpga_stratix10_socdk_nand.dtb