eap: fix config realm matching am: 1651ba620e am: 99d87740ae

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/19802314

Change-Id: I71b88580c6d21f7a69f0eacfeaa9ff6980b20c04
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>