raw/octeontx2_dma: add dequeue and device control operations
raw/octeontx2_dma: add dequeue and device control operations

Add dequeue, device start, stop, close and reset operations.

Signed-off-by: Satha Rao <5068880d640a22108dec4f9123627c822bb2aea4@marvell.com>
Signed-off-by: Vamsi Attunuru <84e2f4da76b9835fad00db737e5b3cea51ac3451@marvell.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk