max77802: add header for max77802 PMIC

This adds register offsets and important values for the Maxim
MAX77802 PMIC.

This adds a header
BUG=chrome-os-partner:19420
BRANCH=none
TEST=TODO...

Change-Id: I615c56215d5dbb8913eae707e1adfb2945c65068
Reviewed-on: https://gerrit.chromium.org/gerrit/58762
Commit-Queue: David Hendricks <dhendrix@chromium.org>
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
Tested-by: Ronald G. Minnich <rminnich@chromium.org>
1 file changed