package/mdadm: add MDADM_CPE_ID_VENDOR

cpe:2.3:a:mdadm_project:mdadm is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/detail/A4FAEC6A-3572-48E9-ABB8-C96D8C8B91AF

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit bdab457768b336a442897137c4f62d4e387b3d10)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mdadm/mdadm.mk

@@ -9,6 +9,7 @@ MDADM_SOURCE = mdadm-$(MDADM_VERSION).tar.xz
 MDADM_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/raid/mdadm
 MDADM_LICENSE = GPL-2.0+
 MDADM_LICENSE_FILES = COPYING
+MDADM_CPE_ID_VENDOR = mdadm_project
 
 MDADM_CXFLAGS = $(TARGET_CFLAGS)