keymile/powerpc: move to the architecture-generic board system

This converts all the Keymile powerpc boards to the generic board
initialization.

This includes the 3 Keymile powerpc subsystems: km82xx, km83xx,
and kmp204x.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/km/km83xx-common.h b/include/configs/km/km83xx-common.h
index ae6b6dc..940000e 100644
--- a/include/configs/km/km83xx-common.h
+++ b/include/configs/km/km83xx-common.h
@@ -8,6 +8,9 @@
 #ifndef __CONFIG_KM83XX_H
 #define __CONFIG_KM83XX_H
 
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_DISPLAY_BOARDINFO
+
 /* include common defines/options for all Keymile boards */
 #include "keymile-common.h"
 #include "km-powerpc.h"