anv: Always add in EXEC_OBJECT_WRITE when specified in extra_flags

Otherwise, we're trusting in the execbuf_add_bo which sets
EXEC_OBJECT_WRITE to to always be the first one that gets called.  This
is likely true for fences but it seems somewhat fragile.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
1 file changed