OMAP2: omap-keypad: interrupt disable fix

The GPIO interrupts has been disabled several times
after the first key press.
No need to disable - again - the interrupts in the omap_kp_scan_keypad
function on OMAP2.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/input/keyboard/omap-keypad.c

@@ -134,10 +134,6 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state)
 
 	/* read the keypad status */
 	if (cpu_is_omap24xx()) {
-		int i;
-		for (i = 0; i < omap_kp->rows; i++)
-			disable_irq(OMAP_GPIO_IRQ(row_gpios[i]));
-
 		/* read the keypad status */
 		for (col = 0; col < omap_kp->cols; col++) {
 			set_col_gpio_val(omap_kp, ~(1 << col));