dt-bindings: arm: qcom: Add HTC One Mini 2

Document the compatible for the MSM8926-based HTC One Mini 2 smartphone.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20231125-htc-memul-v3-2-e8f4c5839e23@z3ntu.xyz


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