lksctp-tools: RRECOMENDS kernel-module-sctp

Previously the kernel module was only pulled in for ${PN}-utils and
${PN}-ptest, but not for the library itself. As a result, apps using
only the library (like osmo-msc->libosmocore->libsctp) fail because the
kernel module is not installed in the image.

Change-Id: If69b82d1c03079b09284a325bd418313e8187cf9
1 file changed