arm64: dts: qcom: sm4450: add uart console support

Add base description of UART and TLMM nodes which helps SM4450
boot to shell with console on boards with this SoC.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20231129103325.24854-4-quic_tengfan@quicinc.com


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