installation/guides/arm-devices/platforms: rpi-kernel should now support 500/CM5

as of 6.6.67 at least

Author: classabbyamp

src/installation/guides/arm-devices/platforms.md

@@ -18,11 +18,11 @@ documentation](https://www.raspberrypi.com/documentation/computers/configuration
 
 ### Supported Models
 
-| Model                                       | Architecture |
-|---------------------------------------------|--------------|
-| 1 A, 1 B, 1 A+, 1 B+, Zero, Zero W, Zero WH | armv6l       |
-| 2 B                                         | armv7l       |
-| 3 B, 3 A+, 3 B+, Zero 2W, 4 B, 400, CM4, 5  | aarch64      |
+| Model                                                 | Architecture |
+|-------------------------------------------------------|--------------|
+| 1 A, 1 B, 1 A+, 1 B+, Zero, Zero W, Zero WH           | armv6l       |
+| 2 B                                                   | armv7l       |
+| 3 B, 3 A+, 3 B+, Zero 2W, 4 B, 400, CM4, 500, 5, CM5  | aarch64      |
 
 > It is possible to run the armv7l images on an RPi 3, as the RPi 3's CPU
 > supports both the Armv8 and Armv7 instruction sets. The difference between