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/board/freescale/p1010rdb/spl_minimal.c b/board/freescale/p1010rdb/spl_minimal.c
index a956c5a..a262d5c 100644
--- a/board/freescale/p1010rdb/spl_minimal.c
+++ b/board/freescale/p1010rdb/spl_minimal.c
@@ -20,7 +20,7 @@
 void board_init_f(ulong bootflag)
 {
 	u32 plat_ratio;
-	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+	ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
 
 #if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM)
 	set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM);