cifs-utils: add 5.9

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>
Signed-off-by: Eric Bénard <eric@eukrea.com>
cifs-utils: Add runtime recommendation to CIFS kernel module

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>