dt-bindings: reset: Fix brcmstb-reset example

The reset controller has a #reset-cells value of 1, so we should see a
phandle plus a register identifier, fix the example.

Fixes: 0807caf647dd ("dt-bindings: reset: Add document for Broadcom STB reset controller")
Signed-off-by: Florian Fainelli <[e-mail]>
Signed-off-by: Philipp Zabel <[e-mail]>

Documentation/devicetree/bindings/reset/brcm,brcmstb-reset.txt

···
 	};
 
 	&ethernet_switch {
-		resets = <&reset>;
+		resets = <&reset 26>;
 		reset-names = "switch";
 	};