COMPMID-2282: Implement SIN operator for CL

Change-Id: I9f67d2b0ccfddaecb0f26bab2b04b87212495502
Reviewed-on: https://review.mlplatform.org/c/1156
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/cl_kernels/elementwise_unary.cl b/src/core/CL/cl_kernels/elementwise_unary.cl
index 2650654..14d6f5d 100644
--- a/src/core/CL/cl_kernels/elementwise_unary.cl
+++ b/src/core/CL/cl_kernels/elementwise_unary.cl
@@ -32,6 +32,8 @@
 #define inverse_sqrt(input) rsqrt(input)
 // Calculate negative
 #define neg(input) (-input)
+// Calculate sine
+#define sine(input) sin(input)
 
 /** Applies element wise unary operator in a tensor.
  *