spi: cadence-qspi: Prepare to add Mobileye EyeQ5 support

Merge series from Théo Lebrun <theo.lebrun@bootlin.com>:

This series prepares support for the embedded Cadence Quad SPI
controller on Mobileye EyeQ5.

Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml

@@ -68,12 +68,13 @@ properties:
       - items:
           - enum:
               - amd,pensando-elba-qspi
-              - ti,k2g-qspi
-              - ti,am654-ospi
               - intel,lgm-qspi
-              - xlnx,versal-ospi-1.0
               - intel,socfpga-qspi
+              - mobileye,eyeq5-ospi
               - starfive,jh7110-qspi
+              - ti,am654-ospi
+              - ti,k2g-qspi
+              - xlnx,versal-ospi-1.0
           - const: cdns,qspi-nor
       - const: cdns,qspi-nor
 
@@ -145,7 +146,6 @@ required:
   - reg
   - interrupts
   - clocks
-  - cdns,fifo-depth
   - cdns,fifo-width
   - cdns,trigger-address
   - '#address-cells'