[gnome-continuous-yocto/gnomeostree-3.28-rocko: 7636/8267] linux-yocto: Make LINUX_VERSION_EXTENSION weaker

[Emmanuele Bassi <ebassi src gnome org>]

commit 9cc5cf0a64d959b7f870c184bd0f500c80e7aade
Author: Saul Wold <sgw linux intel com>
Date:   Thu Sep 7 07:18:21 2017 -0700

    linux-yocto: Make LINUX_VERSION_EXTENSION weaker
    
    This allows for other layers to override this variable in addition
    to providing the distro or local.conf to override it.
    
    (From OE-Core rev: b6e72d0f8230f71ea06edf747f3a84c6410d458c)
    
    Signed-off-by: Saul Wold <sgw linux intel com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/recipes-kernel/linux/linux-yocto.inc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc
index aec06c2..1b8ffd0 100644
--- a/meta/recipes-kernel/linux/linux-yocto.inc
+++ b/meta/recipes-kernel/linux/linux-yocto.inc
@@ -49,7 +49,7 @@ KCONF_AUDIT_LEVEL ?= "1"
 KCONF_BSP_AUDIT_LEVEL ?= "0"
 KMETA_AUDIT ?= "yes"
 
-LINUX_VERSION_EXTENSION ?= "-yocto-${LINUX_KERNEL_TYPE}"
+LINUX_VERSION_EXTENSION ??= "-yocto-${LINUX_KERNEL_TYPE}"
 
 # Pick up shared functions
 inherit kernel