libsha1: add license informations

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/package/libsha1/libsha1.mk b/package/libsha1/libsha1.mk
index e9658af..da6a7b2 100644
--- a/package/libsha1/libsha1.mk
+++ b/package/libsha1/libsha1.mk
@@ -6,6 +6,9 @@
 
 LIBSHA1_VERSION = 0.3
 LIBSHA1_SITE = http://github.com/dottedmag/libsha1/tarball/$(LIBSHA1_VERSION)
+LIBSHA1_LICENSE = BSD-3c or GPL
+LIBSHA1_LICENSE_FILES = COPYING
+
 LIBSHA1_INSTALL_STAGING = YES
 
 # We're getting the source code from Github, so there is no generated