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/ge_bx50v3.h b/include/configs/ge_bx50v3.h
index ab8c66f..d519384 100644
--- a/include/configs/ge_bx50v3.h
+++ b/include/configs/ge_bx50v3.h
@@ -100,7 +100,7 @@
 
 /* environment organization */
 
-#define CONFIG_SYS_FSL_USDHC_NUM	3
+#define CFG_SYS_FSL_USDHC_NUM	3
 
 /* Framebuffer */
 #define CONFIG_IMX_HDMI