platform: msm8909: Add SPI panel init function to support msm8909w

Add changes to:
1.add SPI panel transfer function
2.add SPI panel display config.

Change-Id: Id8387ee8dcd281af57bbec731a9fa009b5b0cb45
Signed-off-by: Wenjun Zhang <wjzhan@codeaurora.org>
7 files changed