linux-imx

MLK-17779 input: egalax_ts: free irq resource before request the line as GPIO

If GPIO is connected to an IRQ then it should not request it as
GPIO function only when free its IRQ resource.

Tested-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>