* Typo fix
* flash_main: always allow to write settings to ext NOR while running
* mc33810: do not enable outputs right after undervoltage
Wait for next active signal
* QSPI flash: set correct dummy cycles for fast read command
* board subaru: fix connector pinout. again.
* board subaru: fix SDMMC pin configuration
* board subaru: fix DMA conflict SPI4_RX vs SDMMC2
* flash_main.cpp: reorder code for easy integration of ext storage
* Add EFI_STORAGE_INT_FLASH option
Default set to TRUE
* Add ChibiOS's Managed Flash Storage to build
* Add support for QSPI flash (SST26F064A tested)
* board: subaru: enable WSPI and NOR flash drivers
* Add option to save settings on ext flash MFS partition
* board: subaru: store settings on QSPI NOR flash