dt-bindings: arm: qcom: Add HP Omnibook X14 AI X1P4200 variant

dt-bindings: arm: qcom: Add HP Omnibook X14 AI X1P4200 variant

The HP Omnibook X14 AI PC is available in fe0 (Hamoa, x1e80100) and
fe1 (Purwa, x1p42100) SKUs. Since they are not completely dtb-compatible,
add another variant:

hp,omnibook-x14-fe1 compatible to cqom,x1p42100

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Jens Glathe <jens.glathe@oldschoolsolutions.biz>
Link: https://lore.kernel.org/r/20250915-hp-x14-x1p-v9-1-fa457ca30ffe@oldschoolsolutions.biz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>