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>
diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
index e43ed0c..43ddec6 100644
--- a/arch/arm/mach-socfpga/Kconfig
+++ b/arch/arm/mach-socfpga/Kconfig
@@ -1,8 +1,7 @@
 # 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 @@
 	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