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/t104xrdb/spl.c b/board/freescale/t104xrdb/spl.c
index dfaff1a..c7fb427 100644
--- a/board/freescale/t104xrdb/spl.c
+++ b/board/freescale/t104xrdb/spl.c
@@ -33,7 +33,7 @@
 	u32 porsr1, pinctl;
 	u32 svr = get_svr();
 #endif
-	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+	ccsr_gur_t *gur = (void *)CFG_SYS_MPC85xx_GUTS_ADDR;
 
 #if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
 	if (IS_SVR_REV(svr, 1, 0)) {