frv: switch to generic old sigsuspend

Signed-off-by: Al Viro <[e-mail]>

arch/frv/Kconfig

···
 	select GENERIC_CPU_DEVICES
 	select ARCH_WANT_IPC_PARSE_VERSION
 	select GENERIC_SIGALTSTACK
+	select OLD_SIGSUSPEND3
 
 config ZONE_DMA
 	bool

arch/frv/kernel/signal.c

···
 	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)