Renesas: Fix renesas documentation
Difference was done between old and new documentation
Keeping useful information from the old version
Adding new changes from the new one
v2 (jsmoeller): keep in sync with other machines
Bug-AGL: SPEC-3666
Signed-off-by: Frederic Marec <frederic.marec@iot.bzh>
Change-Id: Ifa87dfa5ead453b0b994905e80989c6efae726db
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/documentation/+/25471
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>