imx: ventana: Convert to generic board

Enable CONFIG_SYS_GENERIC_BOARD on ventana.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

include/configs/gw_ventana.h

@@ -24,6 +24,8 @@
 #define CONFIG_SERIAL_TAG
 #define CONFIG_REVISION_TAG
 
+#define CONFIG_SYS_GENERIC_BOARD
+
 /* Size of malloc() pool */
 #define CONFIG_SYS_MALLOC_LEN		(10 * 1024 * 1024)