COMPMID-2098: Scope handling of memory group resources.

Change-Id: Ie945526bd7845301458039edf3129253c1808505
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/938
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/runtime/CL/functions/CLFFT1D.cpp b/src/runtime/CL/functions/CLFFT1D.cpp
index 6b6735a..d893cd3 100644
--- a/src/runtime/CL/functions/CLFFT1D.cpp
+++ b/src/runtime/CL/functions/CLFFT1D.cpp
@@ -105,7 +105,7 @@
 
 void CLFFT1D::run()
 {
-    _memory_group.acquire();
+    MemoryGroupResourceScope scope_mg(_memory_group);
 
     CLScheduler::get().enqueue(_digit_reverse_kernel, false);
 
@@ -113,7 +113,5 @@
     {
         CLScheduler::get().enqueue(_fft_kernels[i], i == (_num_ffts - 1));
     }
-
-    _memory_group.release();
 }
 } // namespace arm_compute