OpenPKG Specs / changelog

Update to new vendor version (chan_capi as well) and adapt patch logic,

• Tue, 08 Jan 2013 20:08:32 +0100
• by Michael Schloh von Bennewitz <michael@schloh.com> [Tue, 08 Jan 2013 20:08:32 +0100] rev 755
• Update to new vendor version (chan_capi as well) and adapt patch logic,
  introducing a new variable to control build time SMS call centre channel.