libv4l: add Changelog entry for last 3 commits
libv4l: add Changelog entry for last 3 commits

From: Hans de Goede <9fa1be1a5b5729e4c6b404f34c9ce49ff4882fd8@redhat.com>

libv4l: add Changelog entry for last 3 commits (I should really learn
to do this before comitting)

Priority: normal

Signed-off-by: Hans de Goede <9fa1be1a5b5729e4c6b404f34c9ce49ff4882fd8@redhat.com>

philips/libv4l,jaechoon2/libv4l