habanalabs: update patched_cb_size for Wreg32

The patch_cb_size is not updated for Wreg32 in its validate function, so
updated in goya_validate_cb.

Signed-off-by: Rachel Stahl <rstahl@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>