COMPMID-556: Rename Error to Status and inverse logic

Change-Id: Ib57d4f7177cc6179302bda7ad870acb8bd3825f5
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/112115
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h b/arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h
index b0adb67..c072d2a 100644
--- a/arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h
+++ b/arm_compute/core/CL/kernels/CLSoftmaxLayerKernel.h
@@ -47,9 +47,9 @@
      * @param[in] input  Source tensor. Data types supported: QS8/QASYMM8/QS16/F16/F32
      * @param[in] output Destination tensor. Data types supported: same as @p input
      *
-     * @return an error status
+     * @return a status
      */
-    static Error validate(const ITensorInfo *input, const ITensorInfo *output);
+    static Status validate(const ITensorInfo *input, const ITensorInfo *output);
 };
 
 /** Interface for shifting, exponentiating and summing the logits */
@@ -82,9 +82,9 @@
      * @param[in] output Destination tensor. Data types supported: S32 for QASYMM8 @p input, or same as @p input
      * @param[in] sum    Sum of 1D logits tensor. Data types supported: S32 for QASYMM8 @p input, or same as @p input
      *
-     * @return an error status
+     * @return a status
      */
-    static Error validate(const ITensorInfo *input, const ITensorInfo *max, const ITensorInfo *output, const ITensorInfo *sum);
+    static Status validate(const ITensorInfo *input, const ITensorInfo *max, const ITensorInfo *output, const ITensorInfo *sum);
 
     // Inherited methods overridden:
     void run(const Window &window, cl::CommandQueue &queue) override;
@@ -129,9 +129,9 @@
      * @param[in] output Destination tensor. Data types supported: same as @p input
      * @param[in] sum    Sum of 1D logits tensor. Data types supported: same as @p input
      *
-     * @return an error status
+     * @return a status
      */
-    static Error validate(const ITensorInfo *input, const ITensorInfo *max, const ITensorInfo *output, const ITensorInfo *sum);
+    static Status validate(const ITensorInfo *input, const ITensorInfo *max, const ITensorInfo *output, const ITensorInfo *sum);
     /** Checks if the given size is eligible for parallel reduction
      *
      * @note  Serial reduction is launched for width < (_grid_size * _serial_vector_size).
@@ -186,9 +186,9 @@
      * @param[in] sum    Sum tensor. Dimensions should be dim(input)-1. Data types supported: same as @p input
      * @param[in] output Destination tensor. Data types supported: QASYMM8 for S32 @p input, or same as @p input
      *
-     * @return an error status
+     * @return a status
      */
-    static Error validate(const ITensorInfo *input, const ITensorInfo *sum, const ITensorInfo *output);
+    static Status validate(const ITensorInfo *input, const ITensorInfo *sum, const ITensorInfo *output);
 
     // Inherited methods overridden:
     void run(const Window &window, cl::CommandQueue &queue) override;