fix missing packageconfig for samba with sysvinit

Building samba with sysvinit currently throws a QA warning about
"invalid PACKAGECONFIG: sysv". This fixes that issue.

Signed-off-by: Stephano Cetola <stephanoc@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>