zoneinfo: use SPDX valid identifier Unlicense instead of Public-Domain

Replace the 'Public-Domain' not SPDX valid license identifier with the
valied SPDX 'Unlicense' indentifiert.

Signed-off-by: Florian Eckert <redacted>

diff --git a/utils/zoneinfo/Makefile b/utils/zoneinfo/Makefile
index ce34a360e81d9a6d8710bdf785510abfc9a52a48..5be329d1537fd81c955bbf1c094a243ab19e56b7 100644 (file)
--- a/utils/zoneinfo/Makefile
+++ b/utils/zoneinfo/Makefile
@@ -14,7 +14,7 @@ PKG_RELEASE:=1
 
 #As i couldn't find real license used "Public Domain"
 #as reference to https://data.iana.org/time-zones/tz-link.html
-PKG_LICENSE:=Public-Domain
+PKG_LICENSE:=Unlicense
 
 PKG_SOURCE:=tzdata$(PKG_VERSION).tar.gz
 PKG_SOURCE_CODE:=tzcode$(PKG_VERSION).tar.gz