[TF-M] build of NSPE with flag __ARM_FEATURE_CMSE=3

Hello, The flag is defined to __ARM_FEATURE_CMSE == 3U. In documentation, I can read : __ARM_FEATURE_CMSE == 3U when Toolchain targets the secure state of CMSE (implies the availability of the TT instruction).

My soc files relies on this flag to select by default a secure peripheral register address or a non secure peripheral address. With the non secure compiled with __ARM_FEATURE_CMSE == 3U , by default secure peripheral address are selected.

Is it a correct usage to build NSPE with __ARM_FEATURE_CMSE == 3U ?

Best regards