BACKPORT: dmaengine: pl330: add quirk for broken no flushp

BACKPORT: dmaengine: pl330: add quirk for broken no flushp

This patch add "arm,pl330-broken-no-flushp" quirk to avoid execute
DMAFLUSHP if Soc doesn't support it.

Conflicts:
	drivers/dma/pl330.c
(Note: Instead of the order with
"dmaengine: pl330: support burst mode for dev-to-mem and mem-to-dev transmit")

Change-Id: Ibec534f102147bb9ab7fc62045d474ad548595df
Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
cc: Doug Anderson <dianders@chromium.org>
cc: Heiko Stuebner <heiko@sntech.de>
cc: Olof Johansson <olof@lixom.net>
Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
(cherry picked from git.kernel.org next/linux-next.git master
 commit 271e1b86e69140fe65718ae8a264284c46d3129d)