Revert "Merge branch 'mcjit' into gpusim"

This reverts commit 6b830222e3c859ed9b49d5c605eabfcca0d9e5b9, reversing
changes made to 2fec6217b32fe422ca7ce5fce009581f99795e89.
compile shared lib
compile and load module
C linkage for funcs
add print statements to show code is running on GPU
add c str
func arg passing
func one arg ctor
add builtin printf to mod
call w 10 thd as test