gfrm100: fix auto-repeat KEY_UNKNOWN after pair

	* pair an old remote, press no more keys, getevent reports
		a repeating key press
	* is possibly a battery level that looks like a key
	* this seems to fix it
	* might require specific battery level to repeat (KEY_BATTERY_LEVEL=64)

Change-Id: I9c4a91825fbbed8a46c237e47eab6310d851b4b4
1 file changed