linux-phytec-ti

staging: dgap: rearrange function

Relocate the function dgap_stop() so that in a later patch we can remove
the duplicate codes between dgap_stop() and dgap_remove_one().

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>