tile: switch to generic compat rt_sig{procmask,pending}()

note that the only systems that are going to care are big-endian
64bit ones with 32bit compat enabled - little-endian bitmaps
are not sensitive to granularity.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 2c531f4..0cc74c4 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -402,9 +402,9 @@
 #define __NR_rt_sigaction 134
 __SC_COMP(__NR_rt_sigaction, sys_rt_sigaction, compat_sys_rt_sigaction)
 #define __NR_rt_sigprocmask 135
-__SYSCALL(__NR_rt_sigprocmask, sys_rt_sigprocmask)
+__SC_COMP(__NR_rt_sigprocmask, sys_rt_sigprocmask, compat_sys_rt_sigprocmask)
 #define __NR_rt_sigpending 136
-__SYSCALL(__NR_rt_sigpending, sys_rt_sigpending)
+__SC_COMP(__NR_rt_sigpending, sys_rt_sigpending, compat_sys_rt_sigpending)
 #define __NR_rt_sigtimedwait 137
 __SC_COMP(__NR_rt_sigtimedwait, sys_rt_sigtimedwait, \
 	  compat_sys_rt_sigtimedwait)