mx25pdk: Remove CONFIG_SYS_GENERIC_BOARD

With CONFIG_SYS_GENERIC_BOARD the board hangs after issuing a 'save' command.

Remove CONFIG_SYS_GENERIC_BOARD until this issue can be fixed properly.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/include/configs/mx25pdk.h b/include/configs/mx25pdk.h
index cfaf6ca..aff2419 100644
--- a/include/configs/mx25pdk.h
+++ b/include/configs/mx25pdk.h
@@ -26,8 +26,6 @@
 #define CONFIG_SETUP_MEMORY_TAGS
 #define CONFIG_INITRD_TAG
 
-#define CONFIG_SYS_GENERIC_BOARD
-
 #define CONFIG_MACH_TYPE	MACH_TYPE_MX25_3DS
 
 /* Size of malloc() pool */