Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h
index ed66db3..b522362 100644
--- a/arch/xtensa/include/asm/unistd.h
+++ b/arch/xtensa/include/asm/unistd.h
@@ -3,23 +3,14 @@
 #define _XTENSA_UNISTD_H
 
 #define __ARCH_WANT_SYS_CLONE
+#define __ARCH_WANT_SYS_CLONE3
 #include <uapi/asm/unistd.h>
 
+#define __ARCH_WANT_NEW_STAT
 #define __ARCH_WANT_STAT64
-#define __ARCH_WANT_SYS_UTIME
-#define __ARCH_WANT_SYS_LLSEEK
+#define __ARCH_WANT_SYS_UTIME32
 #define __ARCH_WANT_SYS_GETPGRP
 
-/* 
- * Ignore legacy system calls in the checksyscalls.sh script
- */
-
-#define __IGNORE_fork				/* use clone */
-#define __IGNORE_time
-#define __IGNORE_alarm				/* use setitimer */
-#define __IGNORE_pause
-#define __IGNORE_mmap				/* use mmap2 */
-#define __IGNORE_vfork				/* use clone */
-#define __IGNORE_fadvise64			/* use fadvise64_64 */
+#define NR_syscalls				__NR_syscalls
 
 #endif /* _XTENSA_UNISTD_H */