arm64: defconfig: Enable Truly NT35597 WQXGA panel

The Truly NT35597 WQXGA panel is found on the Qualcomm SDM845 MTP,
enable the driver for it.

Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Link: https://lore.kernel.org/r/20200311233039.928605-1-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>