drivers/misc/intel/pti: Rename the header file to free up the namespace

We'd like to use the 'PTI' acronym for 'Page Table Isolation' - free up the
namespace by renaming the <linux/pti.h> driver header to <linux/intel-pti.h>.

(Also standardize the header guard name while at it.)

Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: J Freyensee <[e-mail]>
Cc: Greg Kroah-Hartman <[e-mail]>
Cc: [e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

drivers/misc/pti.c

···
 #include <linux/pci.h>
 #include <linux/mutex.h>
 #include <linux/miscdevice.h>
-#include <linux/pti.h>
+#include <linux/intel-pti.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
 

include/linux/pti.h include/linux/intel-pti.h

···
  * interface to write out it's contents for debugging a mobile system.
  */
 
-#ifndef PTI_H_
-#define PTI_H_
+#ifndef LINUX_INTEL_PTI_H_
+#define LINUX_INTEL_PTI_H_
 
 /* offset for last dword of any PTI message. Part of MIPI P1149.7 */
 #define PTI_LASTDWORD_DTS	0x30
···
 						    const char *thread_name);
 void pti_release_masterchannel(struct pti_masterchannel *mc);
 
-#endif /*PTI_H_*/
+#endif /* LINUX_INTEL_PTI_H_ */