honami: support mass storage USB modes

Change-Id: Icb429ebad3a9225016ea98ee740819520ba7e545
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>
honami: allow external SD to be mounted as Mass Storage volume

Change-Id: Ida374835a04526d6812d1b7ceb1ccbb039084fa1
Signed-off-by: Arnav Gupta <championswimmer@aokp.co>