[automerger skipped] Change OpenWRT's DHCP lease time to 2m am: 60a3987664 -s ours

am skip reason: Merged-In Ie78bf6e05afa3ee4bafc42f5957a40180b690b5c with SHA-1 66676e274a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/openwrt-prebuilts/+/24796877

Change-Id: I2056e0340ee049429b2595705be133fd2974e875
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>