lksctp-tools: include library major version symlink in base package

Typically the major-version-only link for shared libs are included in the
base package.  Move the links into the base packages here, leaving the
un-versioned links in the -dev packages.

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>