libcurl: add license info

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libcurl/libcurl.mk

@@ -7,6 +7,8 @@
 LIBCURL_VERSION = 7.25.0
 LIBCURL_SOURCE = curl-$(LIBCURL_VERSION).tar.bz2
 LIBCURL_SITE = http://curl.haxx.se/download
+LIBCURL_LICENSE = ICS
+LIBCURL_LICENSE_FILES = COPYING
 LIBCURL_INSTALL_STAGING = YES
 LIBCURL_CONF_OPT = --disable-verbose --disable-manual --enable-hidden-symbols