ARM: 5949/1: NUC900 add gpio virtual memory map

NUC900 add gpio virtual memory map
Signed-off-by: NWang Qiang <rurality.linux@gmail.com>
Signed-off-by: NWang Zongshun <mcuos.com@gmail.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-w90x900/cpu.c

@@ -45,6 +45,7 @@ static struct map_desc nuc900_iodesc[] __initdata = {
 	IODESC_ENT(UART),
 	IODESC_ENT(TIMER),
 	IODESC_ENT(EBI),
+	IODESC_ENT(GPIO),
 };
 
 /* Initial clock declarations. */