Merge tag 'extcon-next-for-4.10' of...

Merge tag 'extcon-next-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into usb-nextx

Chanwoo writes:

Update extcon for 4.10

Detailed description for this pull request:
- The extcon-usb-gpio driver supports the VBUS detection with USB ID and VBUS pin.