Store VENDORPRETTYNAME to the image instead to the BSP. This is image…

… property.

lib/functions/rootfs/distro-agnostic.sh

@@ -483,6 +483,11 @@ function install_distribution_agnostic() {
 	# save list of enabled extensions for this image
 	EXTENSIONS=${ENABLE_EXTENSIONS} >> "${SDCARD}"/etc/armbian-image-release
 
+	# store vendor pretty name to image only. We don't need to save this in BSP upgrade
+	# files. Vendor should be only defined at build image stage.
+	[[ -z $VENDORPRETTYNAME ]] && VENDORPRETTYNAME="${VENDOR}"
+	VENDORPRETTYNAME="$VENDORPRETTYNAME" >> "${SDCARD}"/etc/armbian-image-release
+
 	# DNS fix. package resolvconf is not available everywhere
 	if [ -d "${SDCARD}"/etc/resolvconf/resolv.conf.d ] && [ -n "$NAMESERVER" ]; then
 		echo "nameserver $NAMESERVER" > "${SDCARD}"/etc/resolvconf/resolv.conf.d/head