Some minor fixes

* dma/dma_slave/src/e_dma_slave_test.c:
* dma/dma_slave/src/e_dma_slave_test1.c:
Reset DMA engines on init.
* dma/dma_slave/src/dma_slave_test.c:
Tell transmitter the coordinate of the receiver core before
starting it
* emesh/emesh_bandwidth_all2one/test.sh:
Fix path problems.
* apps/fft2d/host/Release/matprt.m:
Don't track.