arm64: dts: qcom: qrb5165-rb5: use u16 for DP altmode svid

Follow the bindings and use 16-bit value for AltMode SVID instead of
using the full u32.

Fixes: b3dea914 ("arm64: dts: qcom: qrb5165-rb5: enable DP altmode")
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20231204020303.2287338-4-dmitry.baryshkov@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>