HLS memcopy : applying snap_malloc - corrects issue#330 created by patch of issue#320
HLS memcopy : applying snap_malloc - corrects issue#330 created by patch of issue#320

Signed-off-by: Bruno Mesnet <c55c08b6a3960ca6c8bd85035c51229c4d68713b@fr.ibm.com>

open-power/snap,open-power/snap,open-power/snap,open-power/snap,open-power/snap