Update syscall lists for Linux 5.13

Linux 5.13 has three new syscalls (landlock_create_ruleset,
landlock_add_rule, landlock_restrict_self).  Update syscall-names.list
and regenerate the arch-syscall.h headers with build-many-glibcs.py
update-syscalls.

Tested with build-many-glibcs.py.

sysdeps/unix/sysv/linux/mips/mips32/arch-syscall.h

@@ -152,6 +152,9 @@
 #define __NR_kexec_load 4311
 #define __NR_keyctl 4282
 #define __NR_kill 4037
+#define __NR_landlock_add_rule 4445
+#define __NR_landlock_create_ruleset 4444
+#define __NR_landlock_restrict_self 4446
 #define __NR_lchown 4016
 #define __NR_lgetxattr 4228
 #define __NR_link 4009

sysdeps/unix/sysv/linux/mips/mips64/n32/arch-syscall.h

@@ -140,6 +140,9 @@
 #define __NR_kexec_load 6274
 #define __NR_keyctl 6245
 #define __NR_kill 6060
+#define __NR_landlock_add_rule 6445
+#define __NR_landlock_create_ruleset 6444
+#define __NR_landlock_restrict_self 6446
 #define __NR_lchown 6092
 #define __NR_lgetxattr 6184
 #define __NR_link 6084

sysdeps/unix/sysv/linux/mips/mips64/n64/arch-syscall.h

@@ -131,6 +131,9 @@
 #define __NR_kexec_load 5270
 #define __NR_keyctl 5241
 #define __NR_kill 5060
+#define __NR_landlock_add_rule 5445
+#define __NR_landlock_create_ruleset 5444
+#define __NR_landlock_restrict_self 5446
 #define __NR_lchown 5092
 #define __NR_lgetxattr 5184
 #define __NR_link 5084