riscv32: add new syscall numbers

- add mount_setattr from linux v5.12
- add epoll_pwait2 from linux v5.11
- add process_madvise from linux v5.10
- add __NR_faccessat2 from linux v5.8
- add pidfd_getfd and openat2 syscall numbers from linux v5.6
- add clone3 syscall number from linux v5.3
- add process_mrelease from linux v5.15
- add futex_waitv from linux v5.16
- add set_mempolicy_home_node from linux v5.17
- add cachestat from linux v6.4
- add __NR_fchmodat2 from linux v6.6

arch/riscv32/bits/syscall.h.in

@@ -279,7 +279,21 @@
 #define __NR_fsmount		432
 #define __NR_fspick		433
 #define __NR_pidfd_open		434
-
+#define __NR_clone3		435
+#define __NR_openat2		437
+#define __NR_pidfd_getfd	438
+#define __NR_faccessat2		439
+#define __NR_process_madvise	440
+#define __NR_epoll_pwait2	441
+#define __NR_mount_setattr	442
+#define __NR_landlock_create_ruleset	444
+#define __NR_landlock_add_rule	445
+#define __NR_landlock_restrict_self	446
+#define __NR_process_mrelease	448
+#define __NR_futex_waitv	449
+#define __NR_set_mempolicy_home_node	450
+#define __NR_cachestat		451
+#define __NR_fchmodat2		452
 #define __NR_futex __NR_futex_time64
 
 #define __NR_sysriscv __NR_arch_specific_syscall