[FL-1587] RFID: Clock for emulation timer from antenna (#622)

* RFID: pull antenna down when emulating
* Rfid: fixed HID emulation by adding zero pulse every 4 bits
* Rfid: HID emulation fixed with DSP based FSK oscillator.
* Rfid: receive 125KHz clock for emulation timer from antenna and comparator
* Rfid: commented unused variable
* Firmware: rollback changes in f6.
* Add F7 target based on F6.
* F7/F6: update cube projects, apply changes to the targets, update linker scripts with correct RAM start values.
* FuriHal: RFID init routine.
* Scripts: update OTP tool for v11 board

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

firmware/targets/furi-hal-include/furi-hal-rfid.h

@@ -7,6 +7,9 @@
 extern "C" {
 #endif
 
+/** Initialize RFID subsystem */
+void furi_hal_rfid_init();
+
 /**
  * @brief config rfid pins to reset state
  *