[IA64] Cleanup acpi header to reuse the generic _PDC defines

ia64 _PDC setup is defined similar to i386. So, cleanup the header to use
generic _PDC defines than using specific defines in ia64.

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

include/asm-ia64/acpi.h

@@ -30,6 +30,8 @@
 
 #ifdef __KERNEL__
 
+#include <acpi/pdc_intel.h>
+
 #include <linux/init.h>
 #include <linux/numa.h>
 #include <asm/system.h>
@@ -119,11 +121,6 @@ extern int __devinitdata pxm_to_nid_map[MAX_PXM_DOMAINS];
 extern int __initdata nid_to_pxm_map[MAX_NUMNODES];
 #endif
 
-/*
- * Refer Intel ACPI _PDC support document for bit definitions
- */
-#define ACPI_PDC_EST_CAPABILITY_SMP     0x8
-
 #endif /*__KERNEL__*/
 
 #endif /*_ASM_ACPI_H*/