Merge tag 'extcon-fixes-for-4.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-linus

Chanwoo writes:

Update extcon for v4.2-rc5

This patchset fix the following two issue:
- Fix hang issue when using the extcon_[get|set]_cable_state() because these
functions use the cable index instead of cable id.
- Fix NULL pointer error of extcon-palmas.c by removing unneeded kfree() call.