bus: mhi: pci_generic: Simplify code and axe the use of a deprecated API

bus: mhi: pci_generic: Simplify code and axe the use of a deprecated API

The wrappers in include/linux/pci-dma-compat.h should go away.

Replace 'pci_set_dma_mask/pci_set_consistent_dma_mask' by an equivalent
and less verbose 'dma_set_mask_and_coherent()' call.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
Link: https://lore.kernel.org/r/bb3dc436fe142309a2334549db782c5ebb80a2be.1625718497.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>