Add keyboard models to the power-supply table

Author: lurch

documentation/asciidoc/computers/getting-started/setting-up.adoc

@@ -26,11 +26,11 @@ You can use any high-quality power supply that provides the correct power mode.
 |Recommended power supply (voltage/current)
 |Raspberry Pi power supply
 
-|Raspberry Pi 5
+|Raspberry Pi 5 & Raspberry Pi 500
 |5V/5A, 5V/3A limits peripherals to 600mA
 |https://www.raspberrypi.com/products/27w-power-supply/[27W USB-C power supply]
 
-|Raspberry Pi 4 Model B
+|Raspberry Pi 4 Model B & Raspberry Pi 400
 |5V/3A
 |https://www.raspberrypi.com/products/type-c-power-supply/[15W USB-C power supply]