charge_state_v2: BD99955: Do not inhibit charge in battery learn mode
charge_state_v2: BD99955: Do not inhibit charge in battery learn mode

BD99955 charger auto exits from the battery learn mode if the charge
is inhibited. Hence, do not inhibit the charger in battery learn mode.

BUG=chrome-os-partner:55491
BRANCH=none
TEST=Manually tested on Reef using 'ectool chargecontrol' command.
     Able to enter/exit battery learn mode safely.

Change-Id: If05f9a9451842b77619e0a8c5db5e54fec24f399
Signed-off-by: Vijay Hiremath <006c712879a3af08bfdb5c2b8491a8b2d5fd73cd@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/362123
Commit-Ready: Vijay P Hiremath <006c712879a3af08bfdb5c2b8491a8b2d5fd73cd@intel.com>
Tested-by: Vijay P Hiremath <006c712879a3af08bfdb5c2b8491a8b2d5fd73cd@intel.com>
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Reviewed-by: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec