Documentation: DT: Add IAM20680 & ASM330 IMU DT Bindings

Added IAM20680 and ASM330 DT bindings in the documentation.

Change-Id: Id7e38d01f9e4215701f612d4568b78b32b1fa295
Signed-off-by: Puneet Yatnal <puneet@codeaurora.org>
3 files changed