dtoverlays: imx415: Add an override for 37.125MHz clock

Changing clock source also requires changing the link frequency.
Add a single override that does both for Waveshare modules
that are now using 37.125MHz clocks instead of 24MHz.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

Author: 6by9

arch/arm/boot/dts/overlays/README

@@ -2873,6 +2873,9 @@ Params: addr                    Set I2C address of sensor. Valid values are
         cam0                    Adopt the default configuration for CAM0 on a
                                 Compute Module (CSI0, i2c_vc, and cam0_reg).
         vcm                     Enable ad5398 VCM associated with the sensor.
+        clk-37125               Alternative to clock-frequency=37125000 and
+                                link-frequency=445500000 for Waveshare modules
+                                with 37.125MHz clock sources.
 
 
 Name:   imx462

arch/arm/boot/dts/overlays/imx415-overlay.dts

@@ -103,6 +103,8 @@
 		      <&cam_node>,"lens-focus:0=", <&vcm>;
 		clock-frequency = <&cam_clk>, "clock-frequency:0";
 		link-frequency = <&cam_endpoint>,"link-frequencies#0";
+		clk-37125 = <&cam_endpoint>,"link-frequencies#0=445500000",
+			   <&cam_clk>, "clock-frequency:0=37125000";
 		4lane = <0>, "+201+202";
 	};
 };