global: Migrate CONFIG_MXC_USB_FLAGS et al to CFG

Perform simple renames of:
   CONFIG_MXC_USB_FLAGS to CFG_MXC_USB_FLAGS
   CONFIG_MXC_USB_PORT to CFG_MXC_USB_PORT
   CONFIG_MXC_USB_PORTSC to CFG_MXC_USB_PORTSC

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/pcl063_ull.h b/include/configs/pcl063_ull.h
index bd04268..d742201 100644
--- a/include/configs/pcl063_ull.h
+++ b/include/configs/pcl063_ull.h
@@ -44,8 +44,8 @@
 #define CFG_SYS_NAND_BASE		0x40000000
 
 /* USB Configs */
-#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
-#define CONFIG_MXC_USB_FLAGS		0
+#define CFG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CFG_MXC_USB_FLAGS		0
 
 #define ENV_MMC \
 	"mmcdev=" __stringify(MMC_ROOTFS_DEV) "\0" \