[Makefile] Added back in pthread_create and pthread_join symbols for lite mode
[Makefile] Added back in pthread_create and pthread_join symbols for lite mode

8l/Graphite,nkawahara/Graphite,victorisildur/Graphite,fhijaz/Graphite,mit-carbon/Graphite,victorisildur/Graphite,victorisildur/Graphite,nkawahara/Graphite,fhijaz/Graphite,8l/Graphite,fhijaz/Graphite,nkawahara/Graphite,mit-carbon/Graphite,8l/Graphite,mit-carbon/Graphite,victorisildur/Graphite,fhijaz/Graphite,nkawahara/Graphite,8l/Graphite,mit-carbon/Graphite