Attention Handler gpio monitor

Register an async-io service for monitoring the attention GPIO and use the attention handler as the GPIO event handler. The GPIO monitor will respond to changes on the attention GPIO and in response will call the attention handler base logic to handle the attention events.

Signed-off-by: Ben Tyner <ben.tyner@ibm.com>
Change-Id: I3cdc0cb34bc3067b54cb64ab49d98fa2182e7fa1
5 files changed