Set the dma for chipidea from sysdev. This is inherited from its parent node....

Set the dma for chipidea from sysdev. This is inherited from its parent node. Also, do not set dma mask for child as it is not required now.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Sriram Dash <sriram.dash@xxxxxxx>
Acked-by: Peter Chen <peter.chen@xxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
(cherry picked from commit 34db09efec43e049ee030ab39a0c2e9895fc78b5)