Changed names on drivers

diff --git a/comedi/drivers/das08.c b/comedi/drivers/das08-old.c
similarity index 100%
rename from comedi/drivers/das08.c
rename to comedi/drivers/das08-old.c

diff --git a/comedi/drivers/das08jr.c b/comedi/drivers/das08jr-old.c
similarity index 100%
rename from comedi/drivers/das08jr.c
rename to comedi/drivers/das08jr-old.c

diff --git a/comedi/drivers/das16.c b/comedi/drivers/das16-old.c
similarity index 100%
rename from comedi/drivers/das16.c
rename to comedi/drivers/das16-old.c