I just copied this from the xbox 360 config that works great, and pasted it into the xbox one controller config file.  It seemed to correct the x button problem I was having.
 
	 
 
	VPAD_VIRTUAL_BUTTON_START= button 8 
	VPAD_VIRTUAL_BUTTON_SELECT= button 7 
	VPAD_VIRTUAL_BUTTON_CROSS= button 1 
	VPAD_VIRTUAL_BUTTON_CIRCLE= button 2 
	VPAD_VIRTUAL_BUTTON_SQUARE= button 4 
	VPAD_VIRTUAL_BUTTON_TRIANGLE= button 5 
	VPAD_VIRTUAL_BUTTON_L1= button 5 
	VPAD_VIRTUAL_BUTTON_R1= button 6 
	VPAD_VIRTUAL_BUTTON_L2= axis- 3 
	VPAD_VIRTUAL_BUTTON_R2= axis+ 3 
	VPAD_VIRTUAL_BUTTON_L3= button 9 
	VPAD_VIRTUAL_BUTTON_R3= button 10 
	VPAD_VIRTUAL_BUTTON_DPAD_UP= pov0 1 
	VPAD_VIRTUAL_BUTTON_DPAD_DOWN= pov180 1 
	VPAD_VIRTUAL_BUTTON_DPAD_LEFT= pov270 1 
	VPAD_VIRTUAL_BUTTON_DPAD_RIGHT= pov90 1 
	VPAD_VIRTUAL_BUTTON_L_STICK_RIGHT= axis- 1 
	VPAD_VIRTUAL_BUTTON_L_STICK_LEFT= axis+ 1 
	VPAD_VIRTUAL_BUTTON_L_STICK_UP= axis+ 2 
	VPAD_VIRTUAL_BUTTON_L_STICK_DOWN= axis- 2 
	VPAD_VIRTUAL_BUTTON_R_STICK_RIGHT= axis- 4 
	VPAD_VIRTUAL_BUTTON_R_STICK_LEFT= axis+ 4 
	VPAD_VIRTUAL_BUTTON_R_STICK_UP= axis+ 5 
	VPAD_VIRTUAL_BUTTON_R_STICK_DOWN= axis- 5 
	VPAD_PITCH_1= button 1 
	VPAD_PITCH_2= button 2 
	VPAD_PITCH_3= button 3 
	VPAD_PITCH_4= button 4 
	VPAD_PITCH_5= button 6 
	VPAD_FIELD_PICK_OFF_THROW_FIRST= button 2 
	VPAD_FIELD_PICK_OFF_THROW_SECOND= button 4 
	VPAD_FIELD_PICK_OFF_THROW_THIRD= button 3 
	VPAD_PITCH_OUT= button 1 
	VPAD_THROW_BALL= not_assigned -1 
	VPAD_INTENTIONAL_WALK= button 10 
	VPAD_INTENTIONAL_HITBATTER= button 9 
	VPAD_PITCH_HISTORY_OPEN= button 9 
	VPAD_SWING_NORMAL= button 1 
	VPAD_SWING_BUNT= button 10 
	VPAD_CHARGE_MOUND= button 4 
	VPAD_FIELD_THROW_FIRST= button 2 
	VPAD_FIELD_THROW_SECOND= button 4 
	VPAD_FIELD_THROW_THIRD= button 3 
	VPAD_FIELD_THROW_HOME= button 1 
	VPAD_FIELD_SWITCH= button 5 
	VPAD_FIELD_RELAY_THROW= axis+ 3 
	VPAD_FIELD_CUTOFF_THROW= axis+ 3 
	VPAD_FIELD_FAKE_RUNDOWN_THROW= button 6 
	VPAD_RUNNER_FIRST_SELECT= button 2 
	VPAD_RUNNER_SECOND_SELECT= button 4 
	VPAD_RUNNER_THIRD_SELECT= button 3 
	VPAD_RUNNER_RUNFIRST= pov90 1 
	VPAD_RUNNER_RUNSECOND= pov0 1 
	VPAD_RUNNER_RUNTHIRD= pov270 1 
	VPAD_RUNNER_RUNHOME2SCORE= pov180 1 
	VPAD_BASERUNNER_ADVANCEALL= button 5 
	VPAD_BASERUNNER_RETREATALL= button 6