headers_check fix: dvb/net.h

fix the following 'make headers_check' warnings:

  usr/include/linux/dvb/net.h:27: include of <linux/types.h> is preferred over <asm/types.h>
  usr/include/linux/dvb/net.h:31: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>

include/linux/dvb/net.h

@@ -24,8 +24,7 @@
 #ifndef _DVBNET_H_
 #define _DVBNET_H_
 
-#include <asm/types.h>
-
+#include <linux/types.h>
 
 struct dvb_net_if {
 	__u16 pid;