hw/mcu/dialog: Apply SPI errata
hw/mcu/dialog: Apply SPI errata

To preserve correct internal state of SPI controller,
SPI_RST bit should be set/cleared after SPI_ON is changed.

mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core,mlaz/mynewt-core