For vector iterator loop access current node directly, don't need
gpuNodesAll.at(i), which also causes out of range access.
Change vector index loop to iterator loop to simplify the code.
Change-Id: I2627ef8d13b5d2c9cd8c51cf4dacc3e8a97fcfb0
Signed-off-by: Philip Yang <Philip.Yang@amd.com>
[ROCm/ROCR-Runtime commit: 0696f06c16]