Fix the 'all tests' script for baremetal builds
Fix the 'all tests' script for baremetal builds

Fixes the test script test/scripts/all.sh which was failing at the
baremetal ARM builds due to the entropy platform check introduced in
7ff4b77.

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