ufshcd-pltfrm: remove unnecessary dma_set_coherent_mask() call

Changing the device coherent dma mask to the value that currently set
has no effect.

Change-Id: I106c815cc0b8808fa108be6df5eff8cb64c25843
Signed-off-by: Akinobu Mita <mita@fixstars.com>
Signed-off-by: Santosh Y <santoshsy@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
[draviv@codeaurora.org: Fix conflict caused by patches
 reordering in ufshcd-pltfrm.c]
Git-commit: aca898f5d7ddcd0e7cc358a613338b009a88af80
Git-repo: https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git


Signed-off-by: Dolev Raviv <draviv@codeaurora.org>