- Including ability to define custom defaults as char[] that is baked into the build
- removed unnecessary size of custom defaults header parsing (defines provided by build process or in board.h for devs).
Call targetConfiguration() once before config is loaded and again afterwards in case the config needs to be changed to load from SD card etc
Drop SPI clock during binding
Remove debug
Add per device SPI DMA enable
Fix sdioPinConfigure() declaration warning
Reduce clock speed during SPI RX initialisation