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/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c
index 988ba97..906face 100644
--- a/cpu/ppc4xx/speed.c
+++ b/cpu/ppc4xx/speed.c
@@ -334,7 +334,7 @@
 	sysInfo->pllFbkDiv = temp ? temp : 32;
 	lfdiv = reg & PLLD_LFBDV_MASK;
 
-	mfcpr(CPR0_OPBD, reg);
+	mfcpr(CPR0_OPBD0, reg);
 	temp = (reg & OPBDDV_MASK) >> 24;
 	sysInfo->pllOpbDiv = temp ? temp : 4;
 
@@ -342,7 +342,7 @@
 	temp = (reg & PERDV_MASK) >> 24;
 	sysInfo->pllExtBusDiv = temp ? temp : 8;
 
-	mfcpr(CPR0_PRIMBD, reg);
+	mfcpr(CPR0_PRIMBD0, reg);
 	temp = (reg & PRBDV_MASK) >> 24;
 	prbdv0 = temp ? temp : 8;
 
@@ -1050,7 +1050,7 @@
 	/*
 	 * Determine OPBDV0
 	 */
-	mfcpr(CPR0_OPBD, tmp);
+	mfcpr(CPR0_OPBD0, tmp);
 	tmp = (tmp >> 24) & 0x03;
 	sysInfo->pllOpbDiv = (tmp == 0) ? 4 : tmp;