iommu: rename intr_remapping.[ch] to irq_remapping.[ch]

Make the file names consistent with the naming conventions of irq subsystem.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Joerg Roedel <joerg.roedel@amd.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
diff --git a/arch/x86/include/asm/intr_remapping.h b/arch/x86/include/asm/irq_remapping.h
similarity index 97%
rename from arch/x86/include/asm/intr_remapping.h
rename to arch/x86/include/asm/irq_remapping.h
index f9cbbcb..dcb0c72 100644
--- a/arch/x86/include/asm/intr_remapping.h
+++ b/arch/x86/include/asm/irq_remapping.h
@@ -19,8 +19,8 @@
  * the x86 interrupt management code.
  */
 
-#ifndef __X86_INTR_REMAPPING_H
-#define __X86_INTR_REMAPPING_H
+#ifndef __X86_IRQ_REMAPPING_H
+#define __X86_IRQ_REMAPPING_H
 
 #ifdef CONFIG_IRQ_REMAP
 
@@ -100,4 +100,4 @@
 }
 #endif /* CONFIG_IRQ_REMAP */
 
-#endif /* __X86_INTR_REMAPPING_H */
+#endif /* __X86_IRQ_REMAPPING_H */