sensor: Add support for multiple sensor naming pattern

Change-Id: Ibf58d4a4f5a2783a9152f4b5f685e28ef527c5e2
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/types.hpp b/types.hpp
index 62f7db7..2580063 100644
--- a/types.hpp
+++ b/types.hpp
@@ -115,6 +115,9 @@
 using ScaledOffset = int64_t;
 using Scale = int16_t;
 using Unit = std::string;
+using EntityType = uint8_t;
+using EntityInst = uint8_t;
+using SensorName = std::string;
 
 enum class Mutability
 {