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/imx6q-bosch-acc.h b/include/configs/imx6q-bosch-acc.h
index e28185f..2c998cd 100644
--- a/include/configs/imx6q-bosch-acc.h
+++ b/include/configs/imx6q-bosch-acc.h
@@ -110,7 +110,7 @@
 #endif
 #endif
 
-#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
 
 #endif /* __IMX6Q_ACC_H */