Introduce a config option where the user can enable support for adding/removing
device tree nodes using a device tree binary overlay.

Signed-off-by: Vikram Garhwal <[email protected]>
---
 xen/arch/arm/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig
index 1fe5faf847..ae2ebf1697 100644
--- a/xen/arch/arm/Kconfig
+++ b/xen/arch/arm/Kconfig
@@ -52,6 +52,11 @@ config HAS_ITS
         bool "GICv3 ITS MSI controller support (UNSUPPORTED)" if UNSUPPORTED
         depends on GICV3 && !NEW_VGIC
 
+config OVERLAY_DTB
+    bool "DTB overlay support (UNSUPPORTED)" if UNSUPPORTED
+    help
+    Dynamic addition/removal of Xen device tree nodes using a dtbo.
+
 config HVM
         def_bool y
 
-- 
2.17.1


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