rename CFG_ macros to CONFIG_SYS

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/cpu/mpc8260/speed.c b/cpu/mpc8260/speed.c
index 8d280fb..0e1c2b0 100644
--- a/cpu/mpc8260/speed.c
+++ b/cpu/mpc8260/speed.c
@@ -107,7 +107,7 @@
 
 int get_clocks (void)
 {
-	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
 	ulong clkin;
 	ulong sccr, dfbrg;
 	ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf;
@@ -191,7 +191,7 @@
 
 int prt_8260_clks (void)
 {
-	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
 	ulong sccr, dfbrg;
 	ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf, pcidf;
 	corecnf_t *cp;