staging: rts5139: remove unused option->needs_remote_wakeup

module parametr needs_remote_wakeup sets
option->needs_remote_wakeup and
rts51x->pusb_intf->needs_remote_wakeup

the second may be used, the first one is never used
Signed-off-by: Oleksij Rempel <bug-track@fisher-privat.net>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rts5139/rts51x.c

@@ -505,7 +505,6 @@ static void rts51x_init_options(struct rts51x_chip *chip)
 
 	option->ss_en = ss_en;
 	option->ss_delay = ss_delay;
-	option->needs_remote_wakeup = needs_remote_wakeup;
 
 	option->auto_delink_en = auto_delink_en;
 

drivers/staging/rts5139/rts51x_chip.h

@@ -356,7 +356,6 @@ struct rts51x_option {
 	int ss_en;
 	/* Interval to enter SS from IDLE state (second) */
 	int ss_delay;
-	int needs_remote_wakeup;
 	u8 ww_enable;	/* sangdy2010-08-03:add for remote wakeup */
 
 	/* Enable SSC clock */