arm64: dts: ti: k3-am62x-sk: Enable camera peripherals

CSI cameras are controlled using I2C, on SK-AM62 and derivative boards
this is routed to I2C-2, so enable that bus.

Specific sensor connected to this bus will be described in the DT
overlay for each sensor.
Tested-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Jai Luthra <j-luthra@ti.com>
Link: https://lore.kernel.org/r/20231201-csi_dts-v3-5-9f06f31080fe@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi

@@ -399,6 +399,13 @@ sii9022_out: endpoint {
 	};
 };
 
+&main_i2c2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c2_pins_default>;
+	clock-frequency = <400000>;
+};
+
 &sdhci0 {
 	bootph-all;
 	status = "okay";