spatch has changed its option scheme.
E.g., --no_show_diff is now --no-show-diff

This patch updates:
 - scripts/coccicheck
 - Semantic patches under scripts/coccinelle/
Signed-off-by: NNicolas Palix <nicolas.palix@imag.fr>
Signed-off-by: NMichal Marek <mmarek@suse.cz>