[PATCH rtems v2 0/7] Add imxrt BSP

[Christian Mauderer]

Hello,

this is a second verson for the imxrt BSP. If no one objects, it will be
the last for this patch set.

I don't re-send the documentation and libbsd parts. For libbsd it will
be the same and for documentation it will be the one with changes like
discussed.

The BSD-3-clause license and console commands are now on the list for
review in separate mails.

The import patch is still the same. It will most likely hit the size
limit for the mailing list again.

Changes in this patch set:

- I replaced the transient event with a semaphore in the SPI driver.
- The MPU initialization is reworked. Now a user could adapt it by
  overwriting the variables in his application.
- I fixed a bug that I introduced in imx.

Best regards

Christian