config: Expose customizable console keyboard shortcuts

Change Icb37fe653f007307686765f6dc089206559cb7e3 generalized naming of
configurable console shortcuts. However, exposing to the config was forgotten.
This patch fixes the issue.

Change-Id: I4b2a9b00ede59c9b57180a1f2f25a08fcaeb2ec8
Bug-Url: https://bugzilla.redhat.com/1141224
Signed-off-by: Frantisek Kobzik <fkobzik@redhat.com>