frv: switch to generic old sigsuspend

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

arch/frv/kernel/signal.c

@@ -32,16 +32,6 @@ struct fdpic_func_descriptor {
 	unsigned long	GOT;
 };
 
-/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int sys_sigsuspend(int history0, int history1, old_sigset_t mask)
-{
-	sigset_t blocked;
-	siginitset(&blocked, mask);
-	return sigsuspend(&blocked);
-}
-
 asmlinkage int sys_sigaction(int sig,
 			     const struct old_sigaction __user *act,
 			     struct old_sigaction __user *oact)