mn10300: switch to generic old sigsuspend

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/mn10300/Kconfig

@@ -11,6 +11,7 @@ config MN10300
 	select GENERIC_CLOCKEVENTS
 	select MODULES_USE_ELF_RELA
 	select GENERIC_SIGALTSTACK
+	select OLD_SIGSUSPEND3
 
 config AM33_2
 	def_bool n

arch/mn10300/kernel/signal.c

@@ -31,16 +31,6 @@
 
 #define DEBUG_SIG 0
 
-/*
- * atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage long sys_sigsuspend(int history0, int history1, old_sigset_t mask)
-{
-	sigset_t blocked;
-	siginitset(&blocked, mask);
-	return sigsuspend(&blocked);
-}
-
 /*
  * set signal action syscall
  */