arm: Replace EventWrapper use with EventFunctionWrapper

Change-Id: I08de5f72513645d1fe92bde99fa205dde897e951
Signed-off-by: Sean Wilson <spwilson2@wisc.edu>
Reviewed-on: https://gem5-review.googlesource.com/3747
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
diff --git a/src/dev/arm/pl011.hh b/src/dev/arm/pl011.hh
index 81745ed..d6c839c 100644
--- a/src/dev/arm/pl011.hh
+++ b/src/dev/arm/pl011.hh
@@ -113,7 +113,7 @@
     inline uint16_t maskInt() const { return rawInt & imsc; }
 
     /** Wrapper to create an event out of the thing */
-    EventWrapper<Pl011, &Pl011::generateInterrupt> intEvent;
+    EventFunctionWrapper intEvent;
 
   protected: // Registers
     static const uint64_t AMBA_ID = ULL(0xb105f00d00341011);