V4L/DVB: "dib3000mc: reduce large stack usage" fix

s/ENODEV/ENOMEM, per Andreas.

This fix got lost when someone merged "dib3000mc: reduce large stack
usage".  Please don't lose fixes.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/frontends/dib3000mc.c

@@ -822,7 +822,7 @@ int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 defa
 
 	dmcst = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL);
 	if (dmcst == NULL)
-		return -ENODEV;
+		return -ENOMEM;
 
 	dmcst->i2c_adap = i2c;