github: cat both test-suite.log files on error
github: cat both test-suite.log files on error

The backwards compat test can have 2 log files in differing directories,
cat them both.

Signed-off-by: William Roberts <60148e894dabf0b83bde1d460768794cd453c455@intel.com>

01org/tpm2.0-tools,01org/tpm2.0-tools,01org/tpm2.0-tools