dt-bindings: arm: rockchip: fix description for Radxa CM5

"Radxa CM5" is the correct name[1], so fix the description. While at
it, move the CM5 entry after the CM3I.

[1] https://dl.radxa.com/cm5/radxa_cm5_product_brief.pdf

Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20251229045838.2917-2-naoki@radxa.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: RadxaNaoki

Documentation/devicetree/bindings/arm/rockchip.yaml

@@ -907,20 +907,20 @@ properties:
           - const: radxa,cm3
           - const: rockchip,rk3566
 
-      - description: Radxa Compute Module 5 (CM5)
-        items:
-          - enum:
-              - radxa,cm5-io
-          - const: radxa,cm5
-          - const: rockchip,rk3588s
-
       - description: Radxa CM3I
         items:
           - enum:
               - radxa,e25
           - const: radxa,cm3i
           - const: rockchip,rk3568
 
+      - description: Radxa CM5
+        items:
+          - enum:
+              - radxa,cm5-io
+          - const: radxa,cm5
+          - const: rockchip,rk3588s
+
       - description: Radxa E20C
         items:
           - const: radxa,e20c