Recovery UI meet issue if image size is too large

When display screen size is too small, some images in recovery
resource cannot caculate the right display position. So the
image cannot show in the screen.
Limit the calculated position to avoid such issue.

Change-Id: Iebebfe0dfbc568ee3a6b6a31b81d060b3ce5f940
Signed-off-by: zhang sanshan <sanshan.zhang@nxp.com>