archivers/linux-c7-lz4: Add CPE information

Approved by:	portmgr (blanket)

archivers/linux-c7-lz4/Makefile

@@ -6,9 +6,10 @@ CATEGORIES=	archivers linux
 MAINTAINER=	emulation@FreeBSD.org
 COMMENT=	LZ4 compression library and utilities (Linux CentOS ${LINUX_DIST_VER})
 
-USES=		linux:c7
+USES=		cpe linux:c7
 USE_LDCONFIG=	yes
 USE_LINUX_RPM=	yes
+CPE_VENDOR=	lz4_project
 
 DESCR=		${.CURDIR}/../liblz4/pkg-descr