package/waf: add license

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/waf/waf.hash

@@ -1,3 +1,4 @@
 # Locally computed
 sha1  92212071a63ce38fdfd69fb8332f04e84d1f6635  waf-2.0.20
 sha256  bf971e98edc2414968a262c6aa6b88541a26c3cd248689c89f4c57370955ee7f  waf-2.0.20
+sha256  bf971e98edc2414968a262c6aa6b88541a26c3cd248689c89f4c57370955ee7f  waf

package/waf/waf.mk

@@ -7,6 +7,8 @@
 WAF_VERSION = 2.0.20
 WAF_SOURCE = waf-$(WAF_VERSION)
 WAF_SITE = https://waf.io
+WAF_LICENSE = BSD-3-Clause
+WAF_LICENSE_FILES = waf
 
 define HOST_WAF_EXTRACT_CMDS
 	$(INSTALL) -D -m 0755 $(HOST_WAF_DL_DIR)/waf-$(WAF_VERSION) $(@D)/waf