arm64: dts: qcom: sdm450: Add device tree for Motorola Moto G6

Add device tree for the Motorola Moto G6 (ali) smartphone. This device
is based on Snapdragon 450 (sdm450) SoC which is a variant of MSM8953.

Signed-off-by: Julian Braha <julianbraha@gmail.com>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221207-msm8953-6-1-next-dtbs-v3-v3-3-a64b3b0af0eb@z3ntu.xyz