There is only one extra button for Conceptronic that wasn't yet present.
The button has code 0xffbc0027 and the description is "Toggle between
display ratios". So I picked KEY_MODE for this button.
Signed-off-by: NKees Bakker <kees.bakker@xs4all.nl>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>