mxs-bootlets: add license information

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/mxs-bootlets/mxs-bootlets.mk

@@ -34,6 +34,7 @@ ifeq ($(BR2_TARGET_MXS_BOOTLETS_HAS_IVT),y)
 endif
 
 MXS_BOOTLETS_DEPENDENCIES = host-elftosb
+MXS_BOOTLETS_LICENSE = GPLv2+
 
 ifeq ($(BR2_TARGET_MXS_BOOTLETS_BAREBOX),y)
 MXS_BOOTLETS_DEPENDENCIES += barebox