arm64: remove duplicate macro __KERNEL__ check

remove duplicate macro __KERNEL__ check
Signed-off-by: zijun_hu <zijun_hu@htc.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

arch/arm64/include/asm/processor.h

@@ -37,7 +37,6 @@
 #include <asm/ptrace.h>
 #include <asm/types.h>
 
-#ifdef __KERNEL__
 #define STACK_TOP_MAX		TASK_SIZE_64
 #ifdef CONFIG_COMPAT
 #define AARCH32_VECTORS_BASE	0xffff0000
@@ -49,7 +48,6 @@
 
 extern phys_addr_t arm64_dma_phys_limit;
 #define ARCH_LOW_ADDRESS_LIMIT	(arm64_dma_phys_limit - 1)
-#endif /* __KERNEL__ */
 
 struct debug_info {
 	/* Have we suspended stepping by a debugger? */