power: qpnp-smbcharger: do not charge during profile loading

When the profile is reloaded, a new hardware OCV is taken. If the device
is charging, the readings will be off, and can cause SOC errors.

Disable charging during profile loading so that this does not happen.

Change-Id: I6719bf3d1cfcc17320cd5e01cc802826ed51fdf6
Signed-off-by: Xiaozhe Shi <xiaozhes@codeaurora.org>