mogami: cleanup

Remove obsolete custom hciattach & old FM app

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Id7f1e5e11361187f71743b307a098f6cbf09e256
mogami: cleanup init.semc.rc

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I807f061e072b98a3ed9a89b253f3903b7969f299