arm64: dts: qcom: add base AIM300 dtsi

AIM300 Series is a highly optimized family of modules designed to
support AIoT applications. It integrates QCS8550 SoC, UFS and PMIC
chip etc.
Here is a diagram of AIM300 SoM:
          +----------------------------------------+
          |AIM300 SoM                              |
          |                                        |
          |                           +-----+      |
          |                      |--->| UFS |      |
          |                      |    +-----+      |
          |                      |                 |
          |                      |                 |
     3.7v |  +-----------------+ |    +---------+  |
  ---------->|       PMIC      |----->| QCS8550 |  |
          |  +-----------------+      +---------+  |
          |                      |                 |
          |                      |                 |
          |                      |    +-----+      |
          |                      |--->| ... |      |
          |                           +-----+      |
          |                                        |
          +----------------------------------------+
Co-developed-by: Fenglin Wu <quic_fenglinw@quicinc.com>
Signed-off-by: Fenglin Wu <quic_fenglinw@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Tengfei Fan <quic_tengfan@quicinc.com>
Link: https://lore.kernel.org/r/20240618072202.2516025-4-quic_tengfan@quicinc.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>