power: qpnp-smbcharger: reenable AICL if prepare fails

Prepare step for HVDCP 3.0 detection could fail if the usb charger is
removed and it could leave AICL disabled.

Fix it by ensuring AICL is enabled if prepare fails.

Change-Id: I910d40eb00c216c9645a8d2243c87ab89cd4410f
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>