global: Migrate CONFIG_SYS_FSL* symbols to the CFG_SYS namespace

Migrate all of COFIG_SYS_FSL* to the CFG_SYS namespace.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/xpress.h b/include/configs/xpress.h
index 0e43b37..fc8ec32 100644
--- a/include/configs/xpress.h
+++ b/include/configs/xpress.h
@@ -16,7 +16,7 @@
 #define CONFIG_MXC_UART_BASE		MX6UL_UART7_BASE_ADDR
 
 /* MMC Configs */
-#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR
+#define CFG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR
 
 /* Miscellaneous configurable options */