defconfig: msm8974: Enable VADC and IADC peripheral

VADC and IADC peripherals on the PMIC 2.0 are used to
read voltage and current for channels through the arbiter.

Change-Id: I9f90a131dbcd0abe3567ddf2624af09dfc67d061
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
1 file changed