The recipe for 4.2.0.imx has been upstreamed, so merge both of our .bb files
for 4.0.0.imx and 4.2.0.imx into a single .bbappend file. Adapt our patches to
support the ccimx93 and ccimx91, and while at it, add the "Upstream-Status"
tag to them to avoid QA errors
https://onedigi.atlassian.net/browse/DEL-9011https://onedigi.atlassian.net/browse/DEL-9081
Signed-off-by: Gabriel Valcazar <gabriel.valcazar@digi.com>