headers_check fix: linux/cdrom.h

fix the following 'make headers_check' warning:

  usr/include/linux/cdrom.h:155: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>

include/linux/cdrom.h

@@ -11,6 +11,7 @@
 #ifndef	_LINUX_CDROM_H
 #define	_LINUX_CDROM_H
 
+#include <linux/types.h>
 #include <asm/byteorder.h>
 
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