overlays: README: Fix 4 lane CSI2 documentation for Pi5

Several cameras can be connected that support 4 data lane operation. Fix
the documentation to reflect these apply to Pi5 and CM5.

This fixes the documentation for: imx258, imx290, and imx327.

Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

Author: kbingham

arch/arm/boot/dts/overlays/README

@@ -2754,7 +2754,7 @@ Params: rotation                Mounting rotation of the camera sensor (0 or
                                 Compute Module (CSI0, i2c_vc, and cam0_reg).
         vcm                     Configure a VCM focus drive on the sensor.
         4lane                   Enable 4 CSI2 lanes. This requires a Compute
-                                Module (1, 3, or 4).
+                                Module (1, 3, 4, or 5) or Pi 5.
 
 
 Name:   imx290
@@ -2763,7 +2763,7 @@ Info:   Sony IMX290 camera module.
         variants.
 Load:   dtoverlay=imx290,<param>
 Params: 4lane                   Enable 4 CSI2 lanes. This requires a Compute
-                                Module (1, 3, or 4).
+                                Module (1, 3, 4, or 5) or Pi 5.
         clock-frequency         Sets the clock frequency to match that used on
                                 the board.
                                 Modules from Vision Components use 37.125MHz
@@ -2806,7 +2806,7 @@ Info:   Sony IMX327 camera module.
         variants.
 Load:   dtoverlay=imx327,<param>
 Params: 4lane                   Enable 4 CSI2 lanes. This requires a Compute
-                                Module (1, 3, or 4).
+                                Module (1, 3, 4, or 5) or Pi 5.
         clock-frequency         Sets the clock frequency to match that used on
                                 the board.
                                 Modules from Vision Components use 37.125MHz