ARM: dts: msm: Enable gaming bin detection for GPU on Trinket

Add property "qcom,gpu-gaming-bin" to allow driver to read
gaming bin fuse bit. This is needed to detect whether part
is gaming or non-gaming sku.

Change-Id: Id569b7e4cedb00ee887746deca9956a074169595
Signed-off-by: Deepak Kumar <dkumar@codeaurora.org>