Voice support in Simtech plugin
This MR includes voice call integration for e.g. the SIM7100E or SIM7600E modules in the simtech plugin, somewhat based on the SIM7100E integration developed by Purism at https://source.puri.sm/Librem5/ModemManager
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This MR includes voice call integration for e.g. the SIM7100E or SIM7600E modules in the simtech plugin, somewhat based on the SIM7100E integration developed by Purism at https://source.puri.sm/Librem5/ModemManager