samsung-a52q: new device

This MR adds:

• a new kernel package (linux-postmarketos-qcom-sm7125)
• a new soc package (soc-qcom-sm7125)
• a new device&firmware package (device-samsung-a52q/firmware-samsung-a52q)
• a new (i guess temporary) alsa-ucm-config package (alsa-ucm-conf-samsung-sm7125)

Wiki pages:

• Samsung Galaxy A52 4G (samsung-a52q)
• Qualcomm Snapdragon 720G (SM7125)