ARM: dts: AM33xx: Correct gpio #interrupt-cells property
ARM: dts: AM33xx: Correct gpio #interrupt-cells property

Following commit ff5c9059 and therefore other omap platforms using
the gpio-omap driver correct the #interrupt-cells property on am33xx
too. The omap gpio binding documentaion also states that
the #interrupt-cells property should be 2.

Signed-off-by: Lars Poeschel <0e836b06d4fdda992bc28cac9bf156cd8a3a38ef@lemonage.de>
Reviewed-by: Javier Martinez Canillas <828c1a17681e8566a17a1a4801ea67306010b273@dowhile0.org>
Acked-by: Mark Rutland <1db9dd262beaa64f35756dd39531d9747b7778bb@arm.com>
Signed-off-by: Benoit Cousson <8341a8614128d333cb43eedf99ddd6472c68ff67@baylibre.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs