Add support for Microsoft X-Box One pad

[lasers]

Input device?

Microsoft X-Box One pad

Input device ID?

evdev/0/Microsoft X-Box One pad

Operating System?

Linux

What is the key assignment.

"SOUTH" = Button A
"EAST" = Button B
"WEST" = Button Y
"NORTH" = Button X
"START" = Start
"SELECT" = Back
"MODE" = Guide
"TL" = Shoulder L
"TR" = Shoulder R
"Axis 7-" = D-pad UP
"Axis 7+" = D-pad Down
"Axis 6+" = D-pad Right
"Axis 6-" = D-pad Left
"Axis 1+" = Left Stick Down
"Axis 1-" = Left Stick UP
"Axis 0+" = Left Stick Right
"Axis 0-" = Left Stick Left
"THUMBL" = Thumb L
"Axis 4+" = Right Stick Down
"Axis 4-" = Right Stick UP
"Axis 3+" = Right Stick Right
"Axis 3- = Right Stick Left
"THUMBR" = Thumb R
"Full Axis 2+" = Trigger L
"Full Axis 5+" = Trigger R