- always check with state machine before reboot/shutdown
- respect BOARD_HAS_POWER_CONTROL (shutdown from command, low battery, power button)
- px4_shutdown_request add optional delay and always execute from HPWORK
- px4_shutdown_request split out px4_reboot_request
Chip-select and SPI initialization uses the new config, whereas the drivers
still use the existing defines.
The configuration in board_config.h can be removed after all drivers are
updated.
- deprecate DriverFramework bmp280 driver (df_bmp280_wrapper)
- update beaglebone blue and snapdragon flight eagle boards to use in tree bmp280
- update posix (really just linux) and qurt I2C wrappers
- tested on beaglebone blue