powerpc/p2041: set RCW and PBI files for .pbl build or P2041RDB

In order to be able to build a u-boot.pbl image, both the
CONFIG_PBLPBI_CONFIG and CONFIG_PBLRCW_CONFIG variables have to be
defined.

This patch sets these two files for the P2041RDB board.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

include/configs/P2041RDB.h

@@ -34,6 +34,8 @@
 #ifdef CONFIG_RAMBOOT_PBL
 #define CONFIG_RAMBOOT_TEXT_BASE	CONFIG_SYS_TEXT_BASE
 #define CONFIG_RESET_VECTOR_ADDRESS	0xfffffffc
+#define CONFIG_PBLPBI_CONFIG $(SRCTREE)/board/freescale/corenet_ds/pbi.cfg
+#define CONFIG_PBLRCW_CONFIG $(SRCTREE)/board/freescale/corenet_ds/rcw_p2041rdb.cfg
 #endif
 
 #ifdef CONFIG_SRIO_PCIE_BOOT_SLAVE