Updates from latest cppcheck

Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
Change-Id: Ia9dd43ce762f613e35d07f3028a918bba6ac36ce
diff --git a/src/register/hei_scom_register.hpp b/src/register/hei_scom_register.hpp
index 040bd4f..da0eee9 100644
--- a/src/register/hei_scom_register.hpp
+++ b/src/register/hei_scom_register.hpp
@@ -41,19 +41,19 @@
 
   public: // Accessor functions
     /** Function overloaded from parent HardwareRegister class. */
-    RegisterType_t getType() const
+    RegisterType_t getType() const override
     {
         return REG_TYPE_SCOM;
     }
 
     /** Function overloaded from parent HardwareRegister class. */
-    RegisterAddress_t getAddress() const
+    RegisterAddress_t getAddress() const override
     {
         return static_cast<RegisterAddress_t>(iv_address);
     }
 
     /** Function overloaded from parent HardwareRegister class. */
-    size_t getSize() const
+    size_t getSize() const override
     {
         return 8;
     }
@@ -106,19 +106,19 @@
 
   public: // Accessor functions
     /** Function overloaded from parent HardwareRegister class. */
-    RegisterType_t getType() const
+    RegisterType_t getType() const override
     {
         return REG_TYPE_ID_SCOM;
     }
 
     /** Function overloaded from parent HardwareRegister class. */
-    RegisterAddress_t getAddress() const
+    RegisterAddress_t getAddress() const override
     {
         return static_cast<RegisterAddress_t>(iv_address);
     }
 
     /** Function overloaded from parent HardwareRegister class. */
-    size_t getSize() const
+    size_t getSize() const override
     {
         return 8; // See note in class documentation.
     }