dev-arm: Use global import path for MemObject

Change-Id: I66e0ca6df689ec6aeb831ef5545e8e5842bb0418
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-by: Ciro Santilli <ciro.santilli@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/19348
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/dev/arm/SMMUv3.py

@@ -40,7 +40,7 @@ from m5.params import *
 from m5.proxy import *
 from m5.util.fdthelper import *
 from m5.SimObject import *
-from MemObject import MemObject
+from m5.objects.MemObject import MemObject
 
 class SMMUv3SlaveInterface(MemObject):
     type = 'SMMUv3SlaveInterface'