[fixed] The hotwired passkey will now only open the 4th door in the Geo
Caves
[added] Electronic passkey to Geo Caves loot list, can be used to open
any door other than the 4th door
[changed] The hotwired and electronic passkeys are now single use

Change-Id: I4f98caca6fe6eb8f44981d90c02c61baf2065af7