[media] DocBook: properly document the delivery systems

Use a table for the delivery systems. The table is organized
by the type (cable, satellite, terrestrial) and shows what
standards are not fully implemented.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/include/uapi/linux/dvb/frontend.h b/include/uapi/linux/dvb/frontend.h
index cdd9e2f..66499f2 100644
--- a/include/uapi/linux/dvb/frontend.h
+++ b/include/uapi/linux/dvb/frontend.h
@@ -416,7 +416,7 @@
 
 typedef enum fe_rolloff fe_rolloff_t;
 
-typedef enum fe_delivery_system {
+enum fe_delivery_system {
 	SYS_UNDEFINED,
 	SYS_DVBC_ANNEX_A,
 	SYS_DVBC_ANNEX_B,
@@ -436,7 +436,9 @@
 	SYS_DVBT2,
 	SYS_TURBO,
 	SYS_DVBC_ANNEX_C,
-} fe_delivery_system_t;
+};
+
+typedef enum fe_delivery_system fe_delivery_system_t;
 
 /* backward compatibility */
 #define SYS_DVBC_ANNEX_AC	SYS_DVBC_ANNEX_A