pppd: add license information

Signed-off-by: Simon Dawson <spdawson@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/pppd/pppd.mk

@@ -7,6 +7,10 @@
 PPPD_VERSION = 2.4.5
 PPPD_SOURCE = ppp-$(PPPD_VERSION).tar.gz
 PPPD_SITE = ftp://ftp.samba.org/pub/ppp
+PPPD_LICENSE = LGPLv2+ LGPL BSD-4c BSD-3c GPLv2+
+PPPD_LICENSE_FILES = pppd/tdb.c pppd/plugins/pppoatm/COPYING \
+	pppdump/bsd-comp.c pppd/ccp.c pppd/plugins/passprompt.c
+
 PPPD_TARGET_BINS = chat pppd pppdump pppstats
 PPPD_MANPAGES = $(if $(BR2_HAVE_DOCUMENTATION),chat pppd pppdump pppstats)
 PPPD_RADIUS_MANPAGES = $(if $(BR2_HAVE_DOCUMENTATION),pppd-radattr pppd-radius)