As of fedora kernel kernel-3.17.4-302.fc21 aarch64 can sort out what to
use for the console on its own, so drop the console= from the aarch64
grub2-efi.cfg template.
Update the templates and config file to better support EFI on aarch64
on 64-bit ARM.
Resolves: rhbz#1067671
Signed-off-by: David A. Marlin <dmarlin@redhat.com>
Signed-off-by: Brian C. Lane <bcl@redhat.com>