hikey960: Update ptable to use super instead of system label am: ff6455e7af am: a4959d9c61 am: 71949d8873

Original change: https://android-review.googlesource.com/c/device/linaro/hikey/+/1549017

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I10f74a0d61a74c03d017e32d9b610d39ec01d76a