microblaze: Wire-up new system calls sched_setattr/getattr

Wire-up sched_setattr/getattr syscalls.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/microblaze/include/uapi/asm/unistd.h

@@ -396,5 +396,7 @@
 #define __NR_process_vm_writev	378
 #define __NR_kcmp		379
 #define __NR_finit_module	380
+#define __NR_sched_setattr	381
+#define __NR_sched_getattr	382
 
 #endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */

arch/microblaze/kernel/syscall_table.S

@@ -381,3 +381,5 @@ ENTRY(sys_call_table)
 	.long sys_process_vm_writev
 	.long sys_kcmp
 	.long sys_finit_module
+	.long sys_sched_setattr
+	.long sys_sched_getattr