[PATCH v2 2/5] ARM: bus: da8xx-mstpri: new driver

Bartosz Golaszewski [off-list ref] writes:

Create the driver for the da8xx master peripheral priority
configuration and implement support for writing to the three
Master Priority registers on da850 SoCs.

Signed-off-by: Bartosz Golaszewski <redacted>

Reviewed-by: Kevin Hilman <khilman@baylibre.com>