Update the DT binding for the Enclustra Mercury+ SA1 SoM

Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 Documentation/devicetree/bindings/arm/altera.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/altera.yaml b/Documentation/devicetree/bindings/arm/altera.yaml
index 8c7575455..87a22d2a4 100644
--- a/Documentation/devicetree/bindings/arm/altera.yaml
+++ b/Documentation/devicetree/bindings/arm/altera.yaml
@@ -51,6 +51,16 @@ properties:
           - const: altr,socfpga-cyclone5
           - const: altr,socfpga
 
+      - description: Mercury SA1 boards
+        items:
+          - enum:
+              - enclustra,mercury-sa1-pe1
+              - enclustra,mercury-sa1-pe3
+              - enclustra,mercury-sa1-st1
+          - const: enclustra,mercury-sa1
+          - const: altr,socfpga-cyclone5
+          - const: altr,socfpga
+
       - description: Stratix 10 boards
         items:
           - enum:
-- 
2.25.1