msm: pil-q6v5: Add support for QDSP6v5.2.0

There are some differences between the existing QDSP6v5 and the
new QDSP6v5.2.0.  Use the compatible device tree field to identify
the new version and operate accordingly.

Change-Id: I6d8b7d8a9995e42b9c4d4041d2c1202e1933a8a0
Acked-by: Jennifer L. Zenner <jzenner@qti.qualcomm.com>
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>