ARM: dts: qcom: Add support for HTC One Mini 2

Add support for this smartphone based on the MSM8926 SoC, codenamed
"memul".

Supported functionality:
* Power & volume buttons
* ADSP
* Magnetometer
* Accelerometer
* Touchscreen
* Vibrator
* SD card
* Charger
* USB

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20231125-htc-memul-v3-3-e8f4c5839e23@z3ntu.xyz
Signed-off-by: Bjorn Andersson <andersson@kernel.org>