aco: default to a definition size of 32

For non-arithmetic opcodes such as buffer_load_dword and buffer_load_short,
default to a definition size of 32.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7276>
1 file changed