* FuriHal: new speaker HAL
* FuriHal: drop PWM
* FuriHal: move COMP1 to LL
* FuriHal: move COMP1 to LL backport to F6
* FuriHal: remove missing gpio_rfid_carrier from F6
* FurHal: use LL for system controls in flash HAL
* Drop F6 source tree
* Drop F6 from GitHub workflow
* Tie USE_FULL_ASSERT with APP_UNIT_TESTS
* Speaker: return to old volume calculation
* FreeRTOS: move TCB header to glue
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
