boost: add licensing info

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/boost/boost.mk

@@ -9,6 +9,8 @@ BOOST_FILE_VERSION = $(subst .,_,$(BOOST_VERSION))
 BOOST_SOURCE = boost_$(BOOST_FILE_VERSION).tar.bz2
 BOOST_SITE = http://downloads.sourceforge.net/project/boost/boost/$(BOOST_VERSION)
 BOOST_INSTALL_STAGING = YES
+BOOST_LICENSE = Boost Software License 1.0
+BOOST_LICENSE_FILES = LICENSE_1_0.txt
 
 TARGET_CC_VERSION = $(shell $(TARGET_CC) -dumpversion)
 HOST_CC_VERSION = $(shell $(HOSTCC) -dumpversion)