dev: qpnp-lcdb: Initialize LDO/NCP voltage step wise

On setting the LDO/NCP voltage directly, in case it is greater than
5.4V, it results in drop in accuracy of ADC measurement of VBATT channel.

Fix by setting the LDO/NCP voltages in steps of 500mV.

Change-Id: Ia53ff937a8fc55b2e0542220c08d44e88010e3b5
Signed-off-by: Umang Agrawal <uagrawal@codeaurora.org>
2 files changed