global: Migrate CONFIG_SYS_MPC8* symbols to the CFG_SYS namespace

Migrate all of COFIG_SYS_MPC* to the CFG_SYS namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c
index 111692f..cbcb57f 100644
--- a/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c
+++ b/arch/powerpc/cpu/mpc85xx/mpc8536_serdes.c
@@ -89,8 +89,8 @@
 
 void fsl_serdes_init(void)
 {
-	void *guts = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
-	void *sd = (void *)CONFIG_SYS_MPC85xx_SERDES2_ADDR;
+	void *guts = (void *)(CFG_SYS_MPC85xx_GUTS_ADDR);
+	void *sd = (void *)CFG_SYS_MPC85xx_SERDES2_ADDR;
 	u32 pordevsr = in_be32(guts + GUTS_PORDEVSR_OFFS);
 	u32 srds1_io_sel, srds2_io_sel;
 	u32 tmp;