ARM: at91: make gpio register base soc independant

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
index 713d3bd..8ce8675 100644
--- a/arch/arm/mach-at91/at91rm9200.c
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -271,19 +271,19 @@
 static struct at91_gpio_bank at91rm9200_gpio[] = {
 	{
 		.id		= AT91RM9200_ID_PIOA,
-		.offset		= AT91_PIOA,
+		.regbase	= AT91RM9200_BASE_PIOA,
 		.clock		= &pioA_clk,
 	}, {
 		.id		= AT91RM9200_ID_PIOB,
-		.offset		= AT91_PIOB,
+		.regbase	= AT91RM9200_BASE_PIOB,
 		.clock		= &pioB_clk,
 	}, {
 		.id		= AT91RM9200_ID_PIOC,
-		.offset		= AT91_PIOC,
+		.regbase	= AT91RM9200_BASE_PIOC,
 		.clock		= &pioC_clk,
 	}, {
 		.id		= AT91RM9200_ID_PIOD,
-		.offset		= AT91_PIOD,
+		.regbase	= AT91RM9200_BASE_PIOD,
 		.clock		= &pioD_clk,
 	}
 };