FROMLIST: dma-mapping: Add dma_release_coherent_memory to DMA API

Add dma_release_coherent_memory to DMA API to allow dma
user call it to release dev->dma_mem when the device is
removed.

Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>

Bug: 233721768
Link: https://lore.kernel.org/lkml/20220422062436.14384-2-mark-pk.tsai@mediatek.com/


Change-Id: Ief72cf5bbe18a977bae76a1e5799ebc06b46d791
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
(cherry picked from commit 137066946c448e67c4b5b344949ab0c3aec62dfa)