(NATIVECPU) added #define for device binary target

Author: uwedolinsky

include/ur_api.h

@@ -1224,6 +1224,12 @@ typedef enum ur_platform_backend_t {
 #define UR_DEVICE_BINARY_TARGET_AMDGCN "amdgcn"
 #endif // UR_DEVICE_BINARY_TARGET_AMDGCN
 
+///////////////////////////////////////////////////////////////////////////////
+#ifndef UR_DEVICE_BINARY_TARGET_NATIVE_CPU
+/// @brief Native CPU target
+#define UR_DEVICE_BINARY_TARGET_NATIVE_CPU "native_cpu"
+#endif // UR_DEVICE_BINARY_TARGET_NATIVE_CPU
+
 ///////////////////////////////////////////////////////////////////////////////
 /// @brief Device Binary Type
 typedef struct ur_device_binary_t {