ppc4xx: Enable 405EX PCIe UTL register configuration

Till now the UTL registers on 405EX were not initialized but left with
their default values. This patch new initializes some of the UTL
registers on 405EX.

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/asm-ppc/4xx_pcie.h b/include/asm-ppc/4xx_pcie.h
index ffe0770..4c03b05 100644
--- a/include/asm-ppc/4xx_pcie.h
+++ b/include/asm-ppc/4xx_pcie.h
@@ -203,6 +203,7 @@
 /*
  * UTL register offsets
  */
+#define	PEUTL_PBCTL		0x00
 #define PEUTL_PBBSZ		0x20
 #define PEUTL_OPDBSZ		0x68
 #define PEUTL_IPHBSZ		0x70
@@ -210,6 +211,7 @@
 #define PEUTL_OUTTR		0x90
 #define PEUTL_INTR		0x98
 #define PEUTL_PCTL		0xa0
+#define	PEUTL_RCSTA		0xb0
 #define PEUTL_RCIRQEN		0xb8
 
 /*