am f754f740: Revert "Mount SD card synchronous. This is an experimental change intended to"

Merge commit 'f754f740a3e06212836f7465001edb0fe5157ba8'

* commit 'f754f740a3e06212836f7465001edb0fe5157ba8':
  Revert "Mount SD card synchronous. This is an experimental change intended to"