arm64: dts: qcom: sdm845: Enable CAMSS on the bare rb3 board

Enable CAMSS on the standard RB3 as it is possible to run the test pattern
generator (TPG) without any populated ports/endpoints.

media-ctl --reset
yavta --no-query -w '0x009f0903 9' /dev/v4l-subdev4
yavta --list /dev/v4l-subdev4
media-ctl -d /dev/media0 -V '"msm_csid0":0[fmt:SGRBG10_1X10/3280x2464]'
media-ctl -d /dev/media0 -V '"msm_vfe0_rdi0":0[fmt:SGRBG10_1X10/3280x2464]'
media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'
media-ctl -d /dev/media0 -p
yavta -B capture-mplane --capture=5 -n 5 -I -f SGRBG10P -s 3280x2464 --file=TPG-SGRBG10-3280x2464-000-#.bin /dev/video2
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20230809203534.1100030-2-bryan.odonoghue@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sdm845-db845c.dts

@@ -410,6 +410,13 @@ vreg_bob: bob {
 	};
 };
 
+&camss {
+	status = "okay";
+
+	vdda-phy-supply = <&vreg_l1a_0p875>;
+	vdda-pll-supply = <&vreg_l26a_1p2>;
+};
+
 &cdsp_pas {
 	status = "okay";
 	firmware-name = "qcom/sdm845/cdsp.mbn";