boot/main: don't check console device file on fs when booting with
initrd/initramfs
In case of initrd/initramfs /dev/console might not exist that early
as devtmpfs is mounted a bit later by /init process so disable this
check in that case.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
