package/libsocketcan: add license file details

Add LICENSE file

Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libsocketcan/libsocketcan.hash

@@ -1,2 +1,3 @@
 # Locally calculated
 sha256	28923f47b3f3191ff966866aa45823325b6e3b4fce72f056e5d87d64e4d6699d	libsocketcan-0.0.11.tar.bz2
+sha256	dc626520dcd53a22f727af3ee42c770e56c97a64fe3adb063799d8ab032fe551	LICENSE

package/libsocketcan/libsocketcan.mk

@@ -9,5 +9,6 @@ LIBSOCKETCAN_SITE = http://www.pengutronix.de/software/libsocketcan/download
 LIBSOCKETCAN_SOURCE = libsocketcan-$(LIBSOCKETCAN_VERSION).tar.bz2
 LIBSOCKETCAN_INSTALL_STAGING = YES
 LIBSOCKETCAN_LICENSE = LGPL-2.1+
+LIBSOCKETCAN_LICENSE_FILES = LICENSE
 
 $(eval $(autotools-package))