ARM: dts: exynos: Correct the MAX8997 interrupts on the Trats board

Remove the 'interrupts' and 'interrupts-parent' properties, which have
been superseded by the interrupts-extended property. While touching this,
fix the interrupts flags to correctly describe the hardware.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>