Adding the missing ending quote to the string am: cb03e5f45e am: 1302278fbc am: 2c94edd2df am: 5ad6275583

Original change: https://android-review.googlesource.com/c/platform/external/arm-trusted-firmware/+/2152233

Change-Id: I4788745892f584c2fa64d7901138b63d747a7fd5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>