Apparently its very easy to enable tethering on the Droid Bionic. Of course in order to get the tethering enabled you need to root it so follow this article to “Root the Motorola Droid Bionic” first.
Verizon and Motorola both have made the tethering more secure with the Droid Bionic than previous devices although we all knew that it was only a matter of time before someone got around it. In this case it was XDA member ddv2005 that found a way to enable tethering by changing one line using SQLLite Editor.
Instructions to enable Tethering on the Droid Bionic: