move version_string to seperate file

In a noninteractive environment barebox will be compiled without
command support. So move version_string to a seperate file which
is compiled unconditionally.
Also, display the banner when the simple console support is used.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 2 insertions, 0 deletions

diff --git a/common/console_simple.c b/common/console_simple.c
index 1b58deaff7..7304d8ee05 100644
--- a/common/console_simple.c
+++ b/common/console_simple.c
@@ -152,6 +152,8 @@ int console_register(struct console_device *newcdev)
 		console = newcdev;
 		console_list.prev = console_list.next = &newcdev->list;
 		newcdev->list.prev = newcdev->list.next = &console_list;
+
+		barebox_banner();
 	}
 	return 0;
 }