dt-bindings: qcom: Add ipq5424 boards

dt-bindings: qcom: Add ipq5424 boards

The IPQ5424 is Qualcomm's 802.11be SoC for Routers, Gateways
and access Points. It has a quad core Cortex-a55 with a per core
L1, Unified L2 caches and a common Unified L3 cache.

Document the new ipq5424 SoC/board device tree bindings.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Link: https://lore.kernel.org/r/20241028060506.246606-5-quic_srichara@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>