build: add kernel modules to package provides info (along with shared libs)

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37385 3c298f89-4303-0410-b956-a3cf2f4a3e73
build: implement kernel module dependency tracking

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt@37386 3c298f89-4303-0410-b956-a3cf2f4a3e73