ARM: socfpga: drop ARCH_SOCFPGA

Simplify 32-bit and 64-bit Intel SoCFPGA Kconfig options by having only
one for both of them.  After conversion of all
drivers to use the new ARCH_INTEL_SOCFPGA, the remaining ARM option can
be removed.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm/configs/multi_v7_defconfig

@@ -79,7 +79,7 @@ CONFIG_ARCH_MSM8960=y
 CONFIG_ARCH_MSM8974=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_ARCH_RENESAS=y
-CONFIG_ARCH_SOCFPGA=y
+CONFIG_ARCH_INTEL_SOCFPGA=y
 CONFIG_PLAT_SPEAR=y
 CONFIG_ARCH_SPEAR13XX=y
 CONFIG_MACH_SPEAR1310=y

arch/arm/configs/socfpga_defconfig

@@ -9,7 +9,7 @@ CONFIG_NAMESPACES=y
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_EMBEDDED=y
 CONFIG_PROFILING=y
-CONFIG_ARCH_SOCFPGA=y
+CONFIG_ARCH_INTEL_SOCFPGA=y
 CONFIG_ARM_THUMBEE=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2

arch/arm/mach-socfpga/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
-menuconfig ARCH_SOCFPGA
+menuconfig ARCH_INTEL_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
@@ -20,10 +19,7 @@ menuconfig ARCH_SOCFPGA
 	select PL310_ERRATA_753970 if PL310
 	select PL310_ERRATA_769419
 
-if ARCH_SOCFPGA
-config ARCH_INTEL_SOCFPGA
-	bool
-
+if ARCH_INTEL_SOCFPGA
 config SOCFPGA_SUSPEND
 	bool "Suspend to RAM on SOCFPGA"
 	help