msm: 9625: Add device tree information for NAND

Add device tree information for NAND controller. Also, add
documentation defining bindings for NAND controller and MTD
flash partition layout for NAND devices.

Change-Id: I6eaf949a54a19aacd3249711033563efd7fd90c2
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
2 files changed