aarch64: userspace: Enable userspace

Add ARCH_HAS_USERSPACE to enable userspace.

Signed-off-by: Carlo Caione <[email protected]>

Author: carlocaione

arch/arm/core/aarch64/Kconfig

@@ -82,6 +82,7 @@ config ARMV8_A
 	bool
 	select ATOMIC_OPERATIONS_BUILTIN
 	select CPU_HAS_MMU
+	select ARCH_HAS_USERSPACE if ARM_MMU
 	help
 	  This option signifies the use of an ARMv8-A processor
 	  implementation.