[ACPI] Evaluate CPEI Processor Override flag

ACPI 3.0 added a Correctable Platform Error Interrupt (CPEI)
Processor Overide flag to MADT.Platform_Interrupt_Source.
Record the processor that was provided as hint from ACPI.

Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b123cc0..70b3c52 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -206,7 +206,10 @@
 	u8			eid;
 	u8			iosapic_vector;
 	u32			global_irq;
-	u32			reserved;
+	struct {
+		u32			cpei_override_flag:1;
+		u32			reserved:31;
+	}			plint_flags;
 } __attribute__ ((packed));
 
 enum acpi_interrupt_id {