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/pico-imx7d.h b/include/configs/pico-imx7d.h
index 7fbf2c3..159bf4c 100644
--- a/include/configs/pico-imx7d.h
+++ b/include/configs/pico-imx7d.h
@@ -21,7 +21,7 @@
 #define CONFIG_MXC_UART_BASE		UART5_IPS_BASE_ADDR
 
 /* MMC Config */
-#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CFG_SYS_FSL_ESDHC_ADDR	0
 
 #define CONFIG_DFU_ENV_SETTINGS \
 	"dfu_alt_info=" \
@@ -113,7 +113,7 @@
 
 /* Environment starts at 768k = 768 * 1024 = 786432 */
 
-#define CONFIG_SYS_FSL_USDHC_NUM		2
+#define CFG_SYS_FSL_USDHC_NUM		2
 
 /* USB Configs */
 #define CONFIG_MXC_USB_PORTSC			(PORT_PTS_UTMI | PORT_PTS_PTW)