Add retry mechanism in case of device is busy.

Signed-off-by: Heiko Thiery <heiko.thiery@kontron.com>
helper: fix in clear_repository_helper

Fix status query and also add a short delay.

Signed-off-by: Heiko Thiery <heiko.thiery@kontron.com>
hpm: fix in wait until new firmware comes up

Use own while loop instead of self.wait_until_ipmb_is_accessible.

Signed-off-by: Heiko Thiery <heiko.thiery@kontron.com>
sdr: fix format string of sdr class

Signed-off-by: Heiko Thiery <heiko.thiery@kontron.com>