LIB: Move tfm_log.h to tfm_tests_log_msg.h

Rename this header to avoid name clashes with the tfm_log.h in the main
trusted-firmware-m repo.

Change-Id: I3823142c92426bbc01b1f46829dee0a3f462c095
Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
5 files changed