msm: board-copper: Convert gic to use of_irq_init API

The GIC driver has been recently changed to support Device Tree.
Make changes to use the Device Tree interrupt framework intialize
the GIC instead of invoking it manually.

Change-Id: I611bce3e8662583ba66553fd7ec37eac83b60388
Signed-off-by: Michael Bohan <mbohan@codeaurora.org>
3 files changed