libnsl2: set CVE_PRODUCT

Our libnsl2 recipe is just libnsl version 2.x, so set the CVE vendor and
product pair appropriately as per:

https://www.cvedetails.com/version/1177013/Libnsl-Project-Libnsl-2.0.0.html

(From OE-Core rev: c8e9cde342e935b309aeab06029fc5a46ef89028)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit d0e77d3f9217b96f1c77ba65fc9b8420f413c401)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-extended/libnsl/libnsl2_git.bb

@@ -10,6 +10,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=4fbd65380cdd255951079008b364516c"
 SECTION = "libs"
 DEPENDS = "libtirpc"
 
+CVE_PRODUCT = "libnsl_project:libnsl"
+
 PV = "2.0.1"
 
 SRCREV = "d4b22e54b5e6637a69b26eab5faad2a326c9b182"