dt-bindings: leds: Document Bluetooth and WLAN triggers

Add the missing trigger patterns for Bluetooth and WLAN activity, which
are already in active use.

While at it, move the mmc pattern comment where it belongs, and restore
alphabetical sort order.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/0d0de1bc949d24e08174205c13c0b59bd73c1ea8.1674384302.git.geert+renesas@glider.be

Author: geertu

Documentation/devicetree/bindings/leds/common.yaml

@@ -98,9 +98,13 @@ properties:
             # LED alters the brightness for the specified duration with one software
             # timer (requires "led-pattern" property)
           - pattern
-        # LED is triggered by SD/MMC activity
-      - pattern: "^mmc[0-9]+$"
       - pattern: "^cpu[0-9]*$"
+      - pattern: "^hci[0-9]+-power$"
+        # LED is triggered by Bluetooth activity
+      - pattern: "^mmc[0-9]+$"
+        # LED is triggered by SD/MMC activity
+      - pattern: "^phy[0-9]+tx$"
+        # LED is triggered by WLAN activity
 
   led-pattern:
     description: |