[Feature]merge MTK MR3.0 release

Change-Id: I8b18a419fe519a1ac7af5f4b28b28416d41e0de1
diff --git a/src/kernel/linux/v4.19/drivers/misc/mediatek/Makefile b/src/kernel/linux/v4.19/drivers/misc/mediatek/Makefile
index 5d0f05e..27c40f3 100644
--- a/src/kernel/linux/v4.19/drivers/misc/mediatek/Makefile
+++ b/src/kernel/linux/v4.19/drivers/misc/mediatek/Makefile
@@ -65,6 +65,7 @@
 obj-$(CONFIG_MTK_LEDS) += leds/
 obj-$(CONFIG_MTK_PCIE) += pcie/
 obj-$(CONFIG_EXTCON_MTK_USB) += extcon/
+obj-$(CONFIG_EXTCON_MTK_USB_MICRO_B) += extcon/
 obj-$(CONFIG_MTK_MHCCIF) += mhccif/
 obj-$(CONFIG_MTK_USB_TYPEC) += typec/
 obj-$(CONFIG_USB) += usb_boost/