soc: qcom: socinfo: Add support for SDA439/SDA429 soc-id

Add socinfo support for SDA439 and SDA429 SoC and update
the bindings for the same.

Change-Id: I03f2ebd1a8b4e745d8dfe62a65320db1500296a6
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>