arm/km/suv31: switch to 256MB RAM

We now use 256MB RAM instead of 128MB. We can use the same config file
as kmnusa.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Acked-by: Valentin Longchamp <valentin.longchamp@keymile.com>

include/configs/km_kirkwood.h

@@ -97,6 +97,9 @@
 #define CONFIG_KM_IVM_BUS		1	/* I2C2 (Mux-Port 1)*/
 #define CONFIG_IDENT_STRING		"\nKeymile SUV31"
 #define CONFIG_HOSTNAME			kmsuv31
+#undef CONFIG_SYS_KWD_CONFIG
+#define CONFIG_SYS_KWD_CONFIG \
+		$(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage_128M16_1.cfg
 #define CONFIG_KM_ENV_IS_IN_SPI_NOR
 #define CONFIG_KM_FPGA_CONFIG