[media] tm6000: don't initialize static var on tm6000-i2c.c

This is a patch to the tm6000-i2c.c file that fixed "ERROR: do not
initialise statics to 0 or NULL" found by the checkpatch.pl tools.
Signed-off-by: NRuslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/tm6000/tm6000-i2c.c

@@ -34,7 +34,7 @@
 
 /* ----------------------------------------------------------- */
 
-static unsigned int i2c_debug = 0;
+static unsigned int i2c_debug;
 module_param(i2c_debug, int, 0644);
 MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");