add missing control file for kmod-wlcompat-debug

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1871 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/package/wlcompat/ipkg/kmod-wlcompat-debug.control

+Package: kmod-wlcompat-debug
+Priority: optional
+Section: sys
+Maintainer: Felix Fietkau <nbd@vd-s.ath.cx>
+Source: buildroot internal
+Depends: kmod-brcm-wl
+Description: Compatibility module for using the Wireless Extension with broadcom's wl (debug)