dt-bindings: timer: sifive,clint: Clean up compatible value section

Replace the sentences in the description listing some supported variants
by comments on the individual compatible values, to ease future
maintenance.  While at it, restore alphabetical sort order.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

Documentation/devicetree/bindings/timer/sifive,clint.yaml

@@ -29,11 +29,11 @@ properties:
     oneOf:
       - items:
           - enum:
-              - sifive,fu540-c000-clint
-              - starfive,jh7100-clint
-              - starfive,jh7110-clint
-              - canaan,k210-clint
-          - const: sifive,clint0
+              - canaan,k210-clint       # Canaan Kendryte K210
+              - sifive,fu540-c000-clint # SiFive FU540
+              - starfive,jh7100-clint   # StarFive JH7100
+              - starfive,jh7110-clint   # StarFive JH7110
+          - const: sifive,clint0        # SiFive CLINT v0 IP block
       - items:
           - enum:
               - allwinner,sun20i-d1-clint
@@ -45,14 +45,9 @@ properties:
         description: For the QEMU virt machine only
 
     description:
-      Should be "<vendor>,<chip>-clint" and "sifive,clint<version>".
-      Supported compatible strings are -
-      "sifive,fu540-c000-clint" for the SiFive CLINT v0 as integrated
-      onto the SiFive FU540 chip, "canaan,k210-clint" for the SiFive
-      CLINT v0 as integrated onto the Canaan Kendryte K210 chip, and
-      "sifive,clint0" for the SiFive CLINT v0 IP block with no chip
-      integration tweaks.
-      Please refer to sifive-blocks-ip-versioning.txt for details
+      Should be "<vendor>,<chip>-clint", followed by "sifive,clint<version>"
+      when compatible with a SiFive CLINT.  Please refer to
+      sifive-blocks-ip-versioning.txt for details regarding the latter.
 
   reg:
     maxItems: 1