rtc-honor-device-tree-alias-entries-when-assigning-ids-v2

rtc-honor-device-tree-alias-entries-when-assigning-ids-v2

v2: Explicitly check for both dev->of_node and dev->parent->of_node.
    This covers the MFD case, without the MFD core having to set
    child MFD devices' of_node pointer to the same node as the top-
    level MFD device, which causes problems such as:
    http://www.spinics.net/lists/arm-kernel/msg295854.html

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>