Add in-place computation for elementwise operations

- Add in-place computation for elementwise operations at graph level
- Modify support case to test in-place computation for elementwise operations

Resolves: COMPMID-4414

Signed-off-by: Sheri Zhang <sheri.zhang@arm.com>
Change-Id: I5a4de1235dd29a31160e770a16d62f4b98c84ae6
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5803
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/graph/Types.h b/arm_compute/graph/Types.h
index 7306b82..63a9433 100644
--- a/arm_compute/graph/Types.h
+++ b/arm_compute/graph/Types.h
@@ -112,6 +112,7 @@
     Mul, /**< Arithmetic multiplication */
     Max, /**< Arithmetic maximum */
     Div, /**< Arithmetic division */
+    Min, /**< Arithmetic minimum */
 };
 
 /** Supported Unary Element-wise operations */