drm/nouveau/gr/gk208-gm10x: regenerate built-in firmware

Commit 5fde30a2684041f9820aa9dc4fbd0009a45076a9 in envytools modified
some of the Falcon V5 encodings, regenerate the relevant FW with this.

Also modify build rules to include SPDX header in generated files.

Tested on GM107, with no issues noted.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>