ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs

Add missing __init/__exit annotations to module init/exit funcs.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Link: https://lore.kernel.org/r/20220911034747.132098-1-xiujianfeng@huawei.comSigned-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/reloc_test_core.c

@@ -48,7 +48,7 @@ static struct {
 	{ "R_AARCH64_PREL16",		relative_data16, (u64)&sym64_rel },
 };
 
-static int reloc_test_init(void)
+static int __init reloc_test_init(void)
 {
 	int i;
 
@@ -67,7 +67,7 @@ static int reloc_test_init(void)
 	return 0;
 }
 
-static void reloc_test_exit(void)
+static void __exit reloc_test_exit(void)
 {
 }