arm64: compat: Move kuser32.S to .rodata section

Kuser code should be inside .rodata.

Now code in kuser32.S is inside .text section and never executed.
Move it to .rodata.
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Link: https://lore.kernel.org/r/20220531015350.233827-1-chenzhongjin@huawei.comSigned-off-by: Will Deacon <will@kernel.org>

arch/arm64/kernel/kuser32.S

@@ -15,6 +15,7 @@
 
 #include <asm/unistd.h>
 
+	.section .rodata
 	.align	5
 	.globl	__kuser_helper_start
 __kuser_helper_start: