USB: f_mass_storage: Disable write cache support

As part of mode sense CBW command, communicate to the
host that write cache support is enabled and due to this
during the write commnd, the host is asking for FUA and
because of this write performance is degrading. Hence during
mode sense command, intimate the host that write cache is not
supported.

Signed-off-by: stratosk <stratosk@albert.(none)>
defconfig changes
Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>
Re-enable wifi debugging.
Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>
Fix smartass governor
Signed-off-by: scotthartbti <scott.hart.bti@gmail.com>