package/opencv3: add CPE variables

cpe:2.3:a:opencv:opencv is a valid CPE identifier for this package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Aopencv%3Aopencv

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
diff --git a/package/opencv3/opencv3.mk b/package/opencv3/opencv3.mk
index b1b86ba..5c82da9 100644
--- a/package/opencv3/opencv3.mk
+++ b/package/opencv3/opencv3.mk
@@ -9,6 +9,8 @@
 OPENCV3_INSTALL_STAGING = YES
 OPENCV3_LICENSE = BSD-3-Clause
 OPENCV3_LICENSE_FILES = LICENSE
+OPENCV3_CPE_ID_VENDOR = opencv
+OPENCV3_CPE_ID_PRODUCT = opencv
 OPENCV3_SUPPORTS_IN_SOURCE_BUILD = NO
 
 OPENCV3_CXXFLAGS = $(TARGET_CXXFLAGS)