[PATCH rtems 00/12] bsp/imxrt: Update SDK and prepare for new variant

[Christian Mauderer]

Hello,

this patch set for the arm/imxrt BSP family updates the SDK files to the
latest version of the mcux-sdk from NXP and prepares the BSP for further
chip variants. I plan to add a BSP that uses the IMXRT1166 soon.

As a base for the mcux-sdk files, I now use the NXP git repository
instead of zip files that can be downloaded from NXP. I kept the exact
file system structure to make future updates simpler.

To import the files, I used a script. It is not a clean script and it
was only tested on a Linux machine. Despite that, I added that script to
the BSP directory in case someone else ever wants to update the
mcux-sdk. Updating the SDK is also possible without the script. It's
just a lot more manual work. So if we don't want a script in that state
in the repository, I can also just keep it on a private branch.

The patches that import the new SDK files (patch 0002) and remove the
old ones (patch 0004) are too big for the list. I'll only send the
summary. You can find the full patches here:

  0002: https://gitlab.com/c-mauderer/rtems/-/commit/2a871672767a95598e5af42373bfebd3eb9440d3
  0004: https://gitlab.com/c-mauderer/rtems/-/commit/2a3e104fa808d7f34a1930344d7b39d11cf39f3d

The complete patch set is on this branch:

  https://gitlab.com/c-mauderer/rtems/-/commits/cm/20230504_imxrt/

At the moment, I import the support files for all currently available
i.MXRT* variants. The headers for the CPU registers are really big (a
few megabytes per header) which makes the complete source tree of the
mcux-sdk bigger than 90MB. If preferred, I can remove most variants and
only keep the ones that are currently used or will be used soon
(IMXRT1052 and IMXRT1166) to reduce the size.

Best regards

Christian