tests: add mcux edma channel link test

test minor/major link mode on frdm_k64f and mimxrt1060_evk

log as below:

Running test suite dma_m2m_link_test
===================================================================
START - test_dma_m2m_chan0_1_major_link
Preparing DMA Controller: Chan_ID=1, BURST_LEN=1
Starting the transfer
DMA transfer done ch 0
It is harder to be kind than to be wise........
It is harder to
 PASS - test_dma_m2m_chan0_1_major_link
===================================================================
START - test_dma_m2m_chan0_1_minor_link
Preparing DMA Controller: Chan_ID=1, BURST_LEN=1
Starting the transfer
DMA transfer done ch 0
It is harder to be kind than to be wise........
It is harder to be kind than to
 PASS - test_dma_m2m_chan0_1_minor_link
===================================================================
START - test_dma_m2m_chan0_1_minor_major_link
Preparing DMA Controller: Chan_ID=1, BURST_LEN=1
Starting the transfer
DMA transfer done ch 0
DMA transfer done ch 1
It is harder to be kind than to be wise........
It is harder to be kind than to be wise........
 PASS - test_dma_m2m_chan0_1_minor_major_link
===================================================================
Test suite dma_m2m_link_test succeeded
===================================================================
PROJECT EXECUTION SUCCESSFUL

Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>