arm64: dts: qcom: add basic devicetree for Ayaneo Pocket S2 gaming console

arm64: dts: qcom: add basic devicetree for Ayaneo Pocket S2 gaming console

Add initial Device Tree for the Ayaneo Pocket S2 gaming console based
on the Qualcomm Snapdragon 8 Gen 3 platform.

The design is similar to a phone without the modem, the game control
is handled via a standalone controller connected to a PCIe USB
controller.

Display panel support will be added in a second time.

Signed-off-by: KancyJoe <kancy2333@outlook.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20260319-topic-sm8650-ayaneo-pocket-s2-base-v6-5-797bf96df771@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>