LoongArch: fix SECCOMP test error

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP

--------------------------------

When we test the ltp testcase prctl04,we get failed.The reason is
_TIF_SECOMP not defined for LoongArch.So define the _TIF_SECCOMP
for LoongArch.
Signed-off-by: NHongchen Zhang <zhanghongchen@loongson.cn>
Change-Id: I6e890cf347839f301b45036693a0cce3736d3ce3
(cherry picked from commit b8690293)

arch/loongarch/include/asm/thread_info.h

@@ -112,6 +112,7 @@ static inline unsigned long current_stack_pointer(void)
 #define _TIF_LASX_CTX_LIVE	(1<<TIF_LASX_CTX_LIVE)
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
+#define _TIF_SECCOMP		(1<<TIF_SECCOMP)
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_THREAD_INFO_H */