[media] dvb: dmx.h: don't use anonymous enums

There are several anonymous enums here, used via a typedef.

Well, we don't like typedefs on Kernel, so let's de-anonimize
those enums. Then, latter, we may be able to get rid of the
typedefs, at least from Kernelspace.
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

include/uapi/linux/dvb/dmx.h

@@ -32,7 +32,7 @@
 
 #define DMX_FILTER_SIZE 16
 
-typedef enum
+typedef enum dmx_output
 {
 	DMX_OUT_DECODER, /* Streaming directly to decoder. */
 	DMX_OUT_TAP,     /* Output going to a memory buffer */
@@ -44,7 +44,7 @@ typedef enum
 } dmx_output_t;
 
 
-typedef enum
+typedef enum dmx_input
 {
 	DMX_IN_FRONTEND, /* Input from a front-end device.  */
 	DMX_IN_DVR       /* Input from the logical DVR device.  */
@@ -122,7 +122,7 @@ typedef struct dmx_caps {
 	int num_decoders;
 } dmx_caps_t;
 
-typedef enum {
+typedef enum dmx_source {
 	DMX_SOURCE_FRONT0 = 0,
 	DMX_SOURCE_FRONT1,
 	DMX_SOURCE_FRONT2,