drivers/net: return operator cleanup

Change "return (EXPR);" to "return EXPR;"

return is not a function, parentheses are not required.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/skfp/smtinit.c

@@ -120,6 +120,6 @@ int init_smt(struct s_smc *smc, u_char *mac_addr)
 
         PNMI_INIT(smc) ;                /* PNMI initialization */
 
-	return(0) ;
+	return 0;
 }