lirc_imon: make threshold at which pad pushes register as arrow keys in kbd mode adjustable and set saner default threshold.
lirc_imon: make threshold at which pad pushes register as arrow keys in kbd mode adjustable and set saner default threshold.

New default uggested by Scott Meacham, and backed up by my own experience
trying to actually use the arrow keys w/an imon receiver in my "production"
mythtv setup. And hey, if someone really liked 80, its a modparam now.

stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc