[PATCH] Remove some unneeded register saving on the v850

These registers are now saved in a difference place, but the old code
was inadvertently left in.

arch/v850/kernel/entry.S

@@ -610,9 +610,8 @@ L_ENTRY(sys_sigreturn_wrapper):
 	br	restore_extra_regs_and_ret_from_trap
 END(sys_sigreturn_wrapper)
 L_ENTRY(sys_rt_sigreturn_wrapper):
-        SAVE_EXTRA_STATE(TRAP)		// Save state not saved by entry.
 	movea	PTO, sp, r6		// add user context as 1st arg
-	mov	hilo(CSYM(sys_rt_sigreturn)), r18	// syscall function
+	mov	hilo(CSYM(sys_rt_sigreturn)), r18// syscall function
 	jarl	save_extra_state_tramp, lp	 // Save state and do it
 	br	restore_extra_regs_and_ret_from_trap
 END(sys_rt_sigreturn_wrapper)