tests: add baremetal full config build
tests: add baremetal full config build

To be able to test utility programs for an absence of time.h, we need a
baremetal config that is not crypto only. Add one.

Signed-off-by: Daniel Axtens <cf1af486034ab0119a20f38a060e40da25f4cea3@axtens.net>

ARMmbed/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,Mbed-TLS/mbedtls,ARMmbed/mbedtls