spi: sun6i: add DT bindings for Allwinner R329/D1/R528/T113s SPI

Listed above Allwinner SoCs has two SPI controllers. First is the regular
SPI controller and the second one has additional functionality for
MIPI-DBI Type C.

Add compatible strings for these controllers

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org
Reviewed-by: Andre Przywara <andre.przywara@arm.com
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com
Link: https://lore.kernel.org/r/20230510081121.3463710-2-bigunclemax@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org

Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml

@@ -19,6 +19,7 @@ properties:
 
   compatible:
     oneOf:
+      - const: allwinner,sun50i-r329-spi
       - const: allwinner,sun6i-a31-spi
       - const: allwinner,sun8i-h3-spi
       - items:
@@ -28,6 +29,15 @@ properties:
               - allwinner,sun50i-h616-spi
               - allwinner,suniv-f1c100s-spi
           - const: allwinner,sun8i-h3-spi
+      - items:
+          - enum:
+              - allwinner,sun20i-d1-spi
+              - allwinner,sun50i-r329-spi-dbi
+          - const: allwinner,sun50i-r329-spi
+      - items:
+          - const: allwinner,sun20i-d1-spi-dbi
+          - const: allwinner,sun50i-r329-spi-dbi
+          - const: allwinner,sun50i-r329-spi
 
   reg:
     maxItems: 1