ppc_4xx: Apply new HW register names

Modify all existing *.c files to use the new register names
as seen in the AMCC manuals.

Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/esd/common/cmd_loadpci.c b/board/esd/common/cmd_loadpci.c
index 47e946f..eecae0a 100644
--- a/board/esd/common/cmd_loadpci.c
+++ b/board/esd/common/cmd_loadpci.c
@@ -48,7 +48,7 @@
 	u32 la, ptm1la;
 
 #if defined(CONFIG_440)
-	ptm1la = in32r(PCIX0_PTM1LA);
+	ptm1la = in32r(PCIL0_PTM1LA);
 #else
 	ptm1la = in32r(PTM1LA);
 #endif