sysstat: add license info

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

utils/sysstat/Makefile

@@ -11,6 +11,7 @@ PKG_NAME:=sysstat
 PKG_VERSION:=11.0.4
 PKG_RELEASE:=1
 
+PKG_LICENSE:=GPL-2.0
 PKG_MAINTAINER:=Marko Ratkaj <marko.ratkaj@sartura.hr>
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz