honami: Enable app2sd

Change-Id: I3bb0a8f0a65f0178d721be2960de928e132b58c0
honami: allow external SD to be mounted as Mass Storage volume

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