hamradio: Remove unneeded and deprecated cli()/sti() calls in dmascc.c

These cli()/sti() calls are made in start_timer() and are therefor
redundant since the register_lock is now used to protect register
io from within scc_isr() and write_scc() (where all calls to
start_timer() originate).

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/hamradio/dmascc.c

@@ -1083,15 +1083,12 @@ static void start_timer(struct scc_priv *priv, int t, int r15)
 	if (t == 0) {
 		tm_isr(priv);
 	} else if (t > 0) {
-		save_flags(flags);
-		cli();
 		outb(t & 0xFF, priv->tmr_cnt);
 		outb((t >> 8) & 0xFF, priv->tmr_cnt);
 		if (priv->type != TYPE_TWIN) {
 			write_scc(priv, R15, r15 | CTSIE);
 			priv->rr0 |= CTS;
 		}
-		restore_flags(flags);
 	}
 }