We use an element remove-serial-console in image elements.
Renaming this element to match. Also renaming allows us to use
the serial console in devtest runs.
See - https://review.openstack.org/#/c/86272/
Change-Id: I8f1138f58d0046ccdeefa3decc45c36d95c6bf4b
There is a known issue in legacy grub. When using splashimage with
serial console, Legacy grub wont start properly. This commit is to
ensure that when serial console is used, legacy grub should not
contain splashimage. It also adds serial support to legacy grub
configuration file.
Change-Id: I2007916998dfe7c66ef51bf8c57c1698dc0fcb75