File descriptors opened during hipModuleLoad are not closed
until hipModuleUnLoad. In large models, this exceeds the ulimit
for no. of open file descriptors causing out of resource issues.
Hence, close the file descriptors once the required data is read
from the file, and not wait until unload.
Change-Id: Ic50d424e5ca388715b1e6309a0de72a480321582
Satyanvesh Dittakavi
Julia Jiang
Rahul Garg
agunashe