tfm_builder.py: Moved CMAKE configs

* CMAKE configurations now reside inside ./configs directory
* This patch updates the build path of the CI to support
  the tfm code-base change.

Change-Id: I81a57b261bd3956ef898864736c7a7017aeb01e3
Signed-off-by: Minos Galanakis <minos.galanakis@linaro.org>
1 file changed