cpcap-core: Register the driver early in the boot process.

This enables the regulators early in the boot process, which are
required by many other devices. This is now done similar to the tps65912
driver.

Change-Id: Icffa48b095f376b0836f700d1b92178735b73f64
Merge pull request #16 from xdarklight/3.10-defy

cpcap-core: Register the driver early in the boot process.