tinyhttpd: add license information

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

package/tinyhttpd/tinyhttpd.mk

@@ -6,6 +6,8 @@
 
 TINYHTTPD_VERSION = 0.1.0
 TINYHTTPD_SITE = http://downloads.sourceforge.net/project/tinyhttpd/tinyhttpd%20source/tinyhttpd%20$(TINYHTTPD_VERSION)
+TINYHTTPD_LICENSE = GPL
+TINYHTTPD_LICENSE_FILES = README
 
 define TINYHTTPD_BUILD_CMDS
 	$(MAKE) -C $(@D) CC="$(TARGET_CC)" CFLAGS="$(TARGET_CFLAGS)" \