spi: rspi: List full example compatible properties in bindings

List full example compatible properties with soctypes instead of just the
soctypes, so checkpatch can validate DTSes.
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

Documentation/devicetree/bindings/spi/spi-rspi.txt

@@ -7,9 +7,11 @@ Required properties:
 		     "renesas,rspi-<soctype>", "renesas,rspi-rz" as fallback.
 		     For Quad Serial Peripheral Interface on R-Car Gen2:
 		     "renesas,qspi-<soctype>", "renesas,qspi" as fallback.
-		     Examples of valid soctypes are "sh7757" (SH),
-		     "r7s72100" (RZ/A1H), "r8a7790" (R-Car H2), and
-		     "r8a7791" (R-Car M2).
+		     Examples with soctypes are:
+		        - "renesas,rspi-sh7757" (SH)
+			- "renesas,rspi-r7s72100" (RZ/A1H)
+			- "renesas,qspi-r8a7790" (R-Car H2)
+			- "renesas,qspi-r8a7791" (R-Car M2)
 - reg              : Address start and address range size of the device
 - interrupts       : A list of interrupt-specifiers, one for each entry in
 		     interrupt-names.