Unify devkit and imx8 page
There's
https://developer.puri.sm/Librem5/Development_Environment/Boards/imx8.html https://developer.puri.sm/Librem5/Development_Environment/Boards/Dev-kit.html
while both refer to the devkit.
There's
https://developer.puri.sm/Librem5/Development_Environment/Boards/imx8.html https://developer.puri.sm/Librem5/Development_Environment/Boards/Dev-kit.html
while both refer to the devkit.