[media] DRX-K: Initial check-in

Driver for the DRX-K DVB-C/T demodulator.
Signed-off-by: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/drxk.h

+#ifndef _DRXK_H_
+#define _DRXK_H_
+
+#include <linux/types.h>
+#include <linux/i2c.h>
+
+extern struct dvb_frontend *drxk_attach(struct i2c_adapter *i2c,
+					u8 adr,
+					struct dvb_frontend **fe_t);
+#endif