[ARM] 4805/1: ixp4xx: Use leds-gpio driver instead of IXP4XX-GPIO-LED driver

These are the only three boards to use the IXP4XX-GPIO-LED driver, and
they can all use the new leds-gpio driver instead with no change in
functionality.

--

Signed-off-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/configs/ixp4xx_defconfig b/arch/arm/configs/ixp4xx_defconfig
index 2d5ae33..77fe3b0 100644
--- a/arch/arm/configs/ixp4xx_defconfig
+++ b/arch/arm/configs/ixp4xx_defconfig
@@ -1330,8 +1330,8 @@
 #
 # LED drivers
 #
-CONFIG_LEDS_IXP4XX=y
-# CONFIG_LEDS_GPIO is not set
+# CONFIG_LEDS_IXP4XX is not set
+CONFIG_LEDS_GPIO=y
 
 #
 # LED Triggers