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/dh_imx6.h b/include/configs/dh_imx6.h
index 2040deb..54b2192 100644
--- a/include/configs/dh_imx6.h
+++ b/include/configs/dh_imx6.h
@@ -27,8 +27,8 @@
 /* Miscellaneous configurable options */
 
 /* MMC Configs */
-#define CONFIG_SYS_FSL_ESDHC_ADDR	0
-#define CONFIG_SYS_FSL_USDHC_NUM	3
+#define CFG_SYS_FSL_ESDHC_ADDR	0
+#define CFG_SYS_FSL_USDHC_NUM	3
 
 /* UART */
 #define CONFIG_MXC_UART_BASE		UART1_BASE