mira220: fix readme order

Author: fiepfiep

arch/arm/boot/dts/overlays/README

@@ -3511,6 +3511,23 @@ Params:
                                 (default 16).
 
 
+
+Name:   mira220
+Info:   ams mira220 camera module.
+        Uses Unicam 1, which is the standard camera connector on most Pi
+        variants.
+Load:   dtoverlay=mira220,<param>=<val>
+Params: rotation                Mounting rotation of the camera sensor (0 or
+                                180, default 0)
+        orientation             Sensor orientation (0 = front, 1 = rear,
+                                2 = external, default external)
+        media-controller        Configure use of Media Controller API for
+                                configuring the sensor (default on)
+        cam0                    Adopt the default configuration for CAM0 on a
+                                Compute Module (CSI0, i2c_vc, and cam0_reg).
+
+
+
 Name:   mlx90640
 Info:   Overlay for i2c connected mlx90640 thermal camera
 Load:   dtoverlay=mlx90640
@@ -3630,19 +3647,6 @@ Params: rotation                Mounting rotation of the camera sensor (0 or
         clk-continuous          Switch to continuous mode on the CSI clock lane,
                                 which increases the maximum frame rate slightly.
                                 Appears not to work on Pi3.
-Name:   mira220
-Info:   ams mira220 camera module.
-        Uses Unicam 1, which is the standard camera connector on most Pi
-        variants.
-Load:   dtoverlay=mira220,<param>=<val>
-Params: rotation                Mounting rotation of the camera sensor (0 or
-                                180, default 0)
-        orientation             Sensor orientation (0 = front, 1 = rear,
-                                2 = external, default external)
-        media-controller        Configure use of Media Controller API for
-                                configuring the sensor (default on)
-        cam0                    Adopt the default configuration for CAM0 on a
-                                Compute Module (CSI0, i2c_vc, and cam0_reg).