Running the bundle transfer utility with the --listBundles command shows available upgrades but does not show patches.
./lcm-bundle-transfer-util --depotUser <username> --listBundles
In order to display available patches, one must use the --listAsyncPatchBundles switch.
Run the bundle transfer utility with the --listAsyncPatchBundles switch.
./lcm-bundle-transfer-util --listAsyncPatchBundles --depotUser <username>