ARM: msm: Add board config support for 32 bit trinket

This change adds initial board config support to enable build
32 bit kernel for trinket.

Change-Id: I2b7835d301e8bf08d37782ddbf6ca50db3a869d6
Signed-off-by: Gaurav Kohli <gkohli@codeaurora.org>
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: lijuang <lijuang@codeaurora.org>