etl

6ced0630 - etl/type_traits.h: Add support for type_identity (#905)

etl/type_traits.h: Add support for type_identity (#905) * etl/type_traits.h: Add support for type_identity * test/test_type_traits.cpp: Add a test for etl::type_identity (type_identity_test_add(1.5f, 2) == 3.5f) * Update test_type_traits.cpp Use CHECK_CLOSE instead of CHECK for equality