Support for STM32H7 and Red Panda (#694)

* H7 drivers

* Include H7 into the code

* fix flash write for H7

* get serial from flasher.h from F4 and H7

* flash.sh and recover.sh for gen3

* add set_data_speed for BRS CAN FD

* build all fws

* gen3 to panda lib

* gen3 name in scons project

* disable fd can and brs

* gen3 to CI tests

* jenkins fix for new tests and build_all

* fix pedal test

* pedal in panda tests again...

* cleanup llfdcan.h

* cleanup clock.h

* Add LDORDY bit check instead of delay

* missing define in stm32h735xx.h lib

* board_id helper

* enable debug detection again

* clean gpio inits

* fix board_id helper, make cleaner

* comment MCUs in stm lib for faster misra

* target MCU

* misra-5.5

* improve headers and misra speed

* cleanup CI tests

* change naming from gen3 to h7

* readable if statement

* cleanup llusb.h

* only cycle one transceifer in bus-off

* move unused funcs to common header

* bus_off_err reset

* misra 10.4 fdcan

* extern to can_data_speed variable

* limit can_data_speed array size to 3

* reinit fd can on data speed change

* Improve test with ELM327 and extaddr check

* bugfix for fdcan

* panda python config naming

* abstracted init request in llfdcan

* misra fdcan

* Improve llusb.h for H7

__init__.py

@@ -1,3 +1,5 @@
 # flake8: noqa
 # pylint: skip-file
-from .python import Panda, PandaWifiStreaming, PandaDFU, flash_release, BASEDIR, ensure_st_up_to_date, PandaSerial
+from .python import Panda, PandaWifiStreaming, PandaDFU, flash_release, \
+                    BASEDIR, ensure_st_up_to_date, PandaSerial, \
+                    DEFAULT_FW_FN, DEFAULT_H7_FW_FN, MCU_TYPE_H7