dt-bindings: mtd-physmap: Add 'arm,vexpress-flash' compatible

The 'arm,vexpress-flash' compatible is in use, but has never been documented,
so add it now.

Cc: Miquel Raynal <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Vignesh Raghavendra <[email protected]>
Cc: [email protected]
Signed-off-by: Rob Herring <[email protected]>
Acked-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Rob Herring <[email protected]>

Author: robherring

Documentation/devicetree/bindings/mtd/mtd-physmap.yaml

@@ -23,6 +23,7 @@ properties:
               - amd,s29gl256n
               - amd,s29gl512n
               - arm,versatile-flash
+              - arm,vexpress-flash
               - cortina,gemini-flash
               - cypress,hyperflash
               - ge,imp3a-firmware-mirror