aco: fix byte_align_scalar for 3 dword vectors

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Fixes: fe08f0ccf94a7315bded5868b4f6a8bae744de79
   ('aco: add byte_align_scalar() & trim_subdword_vector() helper functions')

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4710>
1 file changed