V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation

This means that when developers add new commands then they'll be see
the DTV_MAX_COMMAND define and will be more likely to modify it, without
having to modify the command validation code.

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index eb98f8c..1cfcd1a 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -270,6 +270,8 @@
 
 #define DTV_API_VERSION				35
 
+#define DTV_MAX_COMMAND				DTV_API_VERSION
+
 typedef enum fe_pilot {
 	PILOT_ON,
 	PILOT_OFF,