COMPMID-1246: Always re-generate arm_compute_version.embed

- This won't trigger a rebuild of the library if the file is unchanged (i.e SCons does a checksum after the file is generated)
- This fix the issue when build options or a commit changes and the file isn't updated

Change-Id: Ic1d0f5435960b4c50b07b54484b660d6f8ce3f71
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/145540
Reviewed-by: Michele DiGiorgio <michele.digiorgio@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
1 file changed