tree 3ca4d256dddc928717e797e5d7433c04cd5dd097
parent 405e2b020bd2bb54699d24a2fa2490d41310bf38
author Simon Glass <sjg@chromium.org> 1495451133 -0600
committer Tom Rini <trini@konsulko.com> 1496686388 -0400

bootstage: Tidy up error return values

We should return a proper error number instead of just -1. This helps the
caller to determine what when wrong. Update a few functions to fix this.

Signed-off-by: Simon Glass <sjg@chromium.org>