staging: dgnc: removes LINUX_VERSION_CODE conditionals

This patch removes the conditionals that make sure
the driver supports various versions of the kernel.
They aren't needed.

Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/dgnc/dgnc_driver.c
Simple merge

diff --cc drivers/staging/dgnc/dgnc_kcompat.h
Simple merge

diff --cc drivers/staging/dgnc/dgnc_tty.c
Simple merge