add raspberry pi compute module 4 variants

[shawaj]

add raspberry pi compute module 4 variants a03140, b03140, c03140, d03140

https://github.com/raspberrypi/documentation/blob/develop/documentation/asciidoc/computers/raspberry-pi/revision-codes.adoc

[tingleby]

Closed with #1085 Thanks!

[shawaj]

Closed with #1085 Thanks!

@tingleby did you add a new commit adding those compute module 4 versions? As those weren't the ones I added in #1085

This is a different board to rpi4b and probably needs an entire new profile?

[tingleby]

Ah no, sorry i though the PR did add support. reopening