Revert "[nrf noup] dts: nordic: LFXO crystal settings adjustment"

This reverts commit bdcc7e6.

Signed-off-by: Gerard Marull-Paretas <[email protected]>

Author: gmarull

boards/nordic/nrf54h20dk/nrf54h20dk_bicr.dtsi

@@ -22,7 +22,7 @@
 		ioport-drivectrls = <&gpio6 50>, <&gpio7 50>;
 
 		lfosc-mode = "crystal";
-		lfosc-loadcap = <15>;
+		lfosc-loadcap = <14>;
 
 		lfrc-autocalibration = <20 40 3>;