Staging: p9auth: remove unneeded header file

The p9auth.h file is not needed, move the stuff into p9auth.c file and
delete it.

Cc: Ashwin Ganti <ashwin.ganti@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/p9auth/p9auth.c

@@ -33,7 +33,38 @@
 #include <linux/crypto.h>
 #include <linux/sched.h>
 #include <linux/cred.h>
-#include "p9auth.h"
+
+#ifndef CAP_MAJOR
+#define CAP_MAJOR 0
+#endif
+
+#ifndef CAP_NR_DEVS
+#define CAP_NR_DEVS 2		/* caphash and capuse */
+#endif
+
+#ifndef CAP_NODE_SIZE
+#define CAP_NODE_SIZE 20
+#endif
+
+#define MAX_DIGEST_SIZE  20
+
+struct cap_node {
+	char data[CAP_NODE_SIZE];
+	struct list_head list;
+};
+
+struct cap_dev {
+	struct cap_node *head;
+	int node_size;
+	unsigned long size;
+	struct semaphore sem;
+	struct cdev cdev;
+};
+
+int cap_trim(struct cap_dev *);
+ssize_t cap_write(struct file *, const char __user *, size_t, loff_t *);
+char *cap_hash(char *plain_text, unsigned int plain_text_size, char *key, unsigned int key_size);
+void hex_dump(unsigned char * buf, unsigned int len);
 
 int cap_major = CAP_MAJOR;
 int cap_minor = 0;