moboot: Updates

Add the capability to remove old uImages left from previous ROMs, and rename a few files.

Change-Id: Ie4014d2363f8a1de16ba4c362127362d39bd1ff1
fstab.tenderloin: Better performance through fstab
Add WiFi driver load delay.

This lets the ath6kl driver load. We need this one second delay.
Thanks to the suggestion of Conn O'Griofa we don't need to
patch hardware/libhardware_legacy.

Change-Id: I1ac3e6f6fff3a7fce5878dfc5ffae5400036398f