[nrf fromlist] boards: nordic: nrf7002dk: Fix LFXO configuration

Commit 6a2cbc7 ("boards: nrf53*: add L|HFXO configurations") missed
the fix for nRF7002DK which is also based on nRF53 SoC.

Upstream PR #: 88680

Signed-off-by: Chaitanya Tata <[email protected]>
Signed-off-by: Aleksandar Stanoev <[email protected]>
(cherry picked from commit dcdbbd6)

Author: krish2718

boards/nordic/nrf7002dk/nrf5340_cpuapp_common.dtsi

@@ -134,6 +134,11 @@
 	status = "okay";
 };
 
+&lfxo {
+	load-capacitors = "internal";
+	load-capacitance-picofarad = <7>;
+};
+
 &adc {
 	status = "okay";
 };