dts: bindings: nrf2240-fem: default output-power-dbm to 14dBm

The default output power for the nordic,nrf2240-fem is set to 14dBm.
User chan override this setting by expressing the value of this
property in own device tree or through overlay.

Signed-off-by: Andrzej Kuros <[email protected]>

Author: ankuns

dts/bindings/radio_fem/nordic,nrf2240-fem.yaml

@@ -74,7 +74,7 @@ properties:
 
   output-power-dbm:
     type: int
-    default: 7
+    default: 14
     description: |
       Output power in dBm at FEM output, when the FEM is in Transmit state
       (power amplifier is used).