tu: Fix DST_INCOHERENT_FLUSH copy/paste error

This was meant to handle incoherent accesses by always flushing them,
but it accidentally checked for the coherent variant instead. As a
result e.g. a vkCmdClearImage() followed by a renderpass using the image
didn't get any flushes, resulting in the same sort of corruption seen
with sysmem renderpass clears. This happened to be exposed via some
tests that used multiview.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6009>
1 file changed