intel/genxml: don't generate identical code for different branches

Quiets 16 Coverity warnings like:

CID 1403401: Identical code for different branches (IDENTICAL_BRANCHES)

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7351>
1 file changed