sh: Remove unused WP signal for SDHI0 and KFR2R09

Get rid of the unused WP signal for SDHI0 on KFR2R09.
This because yc304 on KFR2R09 is a Micro SD slot which
does not implement the WP signal.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/mach-kfr2r09/setup.c

@@ -539,7 +539,6 @@ static int __init kfr2r09_devices_setup(void)
 
 	/* SDHI0 connected to yc304 */
 	gpio_request(GPIO_FN_SDHI0CD, NULL);
-	gpio_request(GPIO_FN_SDHI0WP, NULL);
 	gpio_request(GPIO_FN_SDHI0D3, NULL);
 	gpio_request(GPIO_FN_SDHI0D2, NULL);
 	gpio_request(GPIO_FN_SDHI0D1, NULL);