IVGCVSW-3305 Support Minimum in HAL1.2 Driver

 * Adds conversion method to HAL1.2 Policy

Signed-off-by: Ellen Norris-Thompson <ellen.norris-thompson@arm.com>
Change-Id: Ib282f32b2f5e899f1fb085bf615df5f984b6fd34
diff --git a/1.2/HalPolicy.hpp b/1.2/HalPolicy.hpp
index d0d988f..18cf035 100644
--- a/1.2/HalPolicy.hpp
+++ b/1.2/HalPolicy.hpp
@@ -37,6 +37,8 @@
 
     static bool ConvertMaximum(const Operation& operation, const Model& model, ConversionData& data);
 
+    static bool ConvertMinimum(const Operation& operation, const Model& model, ConversionData& data);
+
     static bool ConvertPadV2(const Operation& operation, const Model& model, ConversionData& data);
 
     static bool ConvertPrelu(const Operation& operation, const Model& model, ConversionData& data);