omap2: Fix GPIO numbers and smc91x for 2430sdp

Fix GPIO numbers and smc91x for 2430sdp. The earlier code
had cut and paste errors from 3430sdp code. Also, 2430
has five GPIO banks for a total of 160 GPIO lines.

Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 9b7e354..7951eef 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -390,7 +390,9 @@
 		return 0;
 	if (cpu_is_omap7xx() && gpio < 192)
 		return 0;
-	if (cpu_is_omap24xx() && gpio < 128)
+	if (cpu_is_omap2420() && gpio < 128)
+		return 0;
+	if (cpu_is_omap2430() && gpio < 160)
 		return 0;
 	if ((cpu_is_omap34xx() || cpu_is_omap44xx()) && gpio < 192)
 		return 0;