Remove bool prefix from dump command

dump command is not a bool variable.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Declare debug_mask in debugfs

Now debug_mask can be changed in runtime.

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>
Merge pull request #74 from KrasnikovEugene/debug_mask

Debug mask