Add compatibility to Arm Morello System Development Platform.

Note: Morello is at the same time the name of an Architecture [1], an SoC
[2] and a Board [2].
To distinguish in between Architecture/SoC and Board we refer to the first
as arm,morello and to the second as arm,morello-sdp.

[1] https://developer.arm.com/Architectures/Morello
[2] https://www.morello-project.org/

Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
---
 Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml b/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
index 8dd6b6446394..40e7910756c8 100644
--- a/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml
+++ b/Documentation/devicetree/bindings/arm/arm,vexpress-juno.yaml

@@ -118,6 +118,10 @@ properties:
         items:
           - const: arm,foundation-aarch64
           - const: arm,vexpress
+      - description: Arm Morello System Development Platform
+        items:
+          - const: arm,morello-sdp
+          - const: arm,morello
 
   arm,vexpress,position:
     description: When daughterboards are stacked on one site, their position

-- 
2.43.0