COMPMID-412: Port PoolingLayer to use fixed point 16.

Change-Id: I2005de4c7c14526996309826d33a0ec8e732d2d5
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/78720
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Steven Niu <steven.niu@arm.com>
diff --git a/arm_compute/core/NEON/NEFixedPoint.inl b/arm_compute/core/NEON/NEFixedPoint.inl
index dd1066d..a5d9e76 100644
--- a/arm_compute/core/NEON/NEFixedPoint.inl
+++ b/arm_compute/core/NEON/NEFixedPoint.inl
@@ -25,8 +25,9 @@
 
 namespace arm_compute
 {
-/**< Exponent polynomial coefficients for 8 bit fixed point (8 elements)
- *  Format is in Q0.7 for all elements */
+/** Exponent polynomial coefficients for 8 bit fixed point (8 elements)
+ *  Format is in Q0.7 for all elements
+ */
 static const std::array<qint8x8_t, 4> exp_tab_qs8 =
 {
     {
@@ -37,8 +38,9 @@
     }
 };
 
-/**< Exponent polynomial coefficients for 16 bit fixed point (4 elements)
- *  Format is in Q0.15 for all elements */
+/** Exponent polynomial coefficients for 16 bit fixed point (4 elements)
+ *  Format is in Q0.15 for all elements
+ */
 static const std::array<qint16x4_t, 4> exp_tab_qs16 =
 {
     {
@@ -49,8 +51,9 @@
     }
 };
 
-/**< Exponent polynomial coefficients for 8 bit fixed point (16 elements)
- * Format is in Q0.7 for all elements */
+/** Exponent polynomial coefficients for 8 bit fixed point (16 elements)
+ *  Format is in Q0.7 for all elements
+ */
 static const std::array<qint8x16_t, 4> exp_tabq_qs8 =
 {
     {
@@ -61,8 +64,9 @@
     }
 };
 
-/**< Exponent polynomial coefficients for 16 bit fixed point (8 elements)
- * Format is in Q0.15 for all elements */
+/** Exponent polynomial coefficients for 16 bit fixed point (8 elements)
+ *  Format is in Q0.15 for all elements
+ */
 static const std::array<qint16x8_t, 4> exp_tabq_qs16 =
 {
     {
@@ -73,8 +77,9 @@
     }
 };
 
-/**< Logarithm polynomial coefficients for 8 bit fixed point (8 elements)
- * Format is in Q0.7 for all elements except the first one which is in Q1.6 */
+/** Logarithm polynomial coefficients for 8 bit fixed point (8 elements)
+ *  Format is in Q0.7 for all elements except the first one which is in Q1.6
+ */
 static const std::array<qint8x8_t, 4> log_tab_qs8 =
 {
     {
@@ -85,8 +90,9 @@
     }
 };
 
-/**< Logarithm polynomial coefficients for 16 bit fixed point (8 elements)
- * Format is in Q0.15 for all elements except the first one which is in Q1.14 */
+/** Logarithm polynomial coefficients for 16 bit fixed point (8 elements)
+ *  Format is in Q0.15 for all elements except the first one which is in Q1.14
+ */
 static const std::array<qint16x4_t, 4> log_tab_qs16 =
 {
     {
@@ -97,8 +103,9 @@
     }
 };
 
-/**< Logarithm polynomial coefficients for 8 bit fixed point (16 elements)
- * Format is in Q0.7 for all elements except the first one which is in Q1.6 */
+/** Logarithm polynomial coefficients for 8 bit fixed point (16 elements)
+ *  Format is in Q0.7 for all elements except the first one which is in Q1.6
+ */
 static const std::array<qint8x16_t, 4> log_tabq_qs8 =
 {
     {
@@ -109,8 +116,9 @@
     }
 };
 
-/**< Logarithm polynomial coefficients for 16 bit fixed point (8 elements)
- * Format is in Q0.15 for all elements except the first one which is in Q1.14 */
+/** Logarithm polynomial coefficients for 16 bit fixed point (8 elements)
+ *  Format is in Q0.15 for all elements except the first one which is in Q1.14
+ */
 static const std::array<qint16x8_t, 4> log_tabq_qs16 =
 {
     {