power: qpnp-qg: Fix SDAM base offset for OCV

The SDAM OCV offset was incorrect, fix it.

While at it, fix minor print errors in qg-sdam.

Change-Id: Iaabf3de46ed72e33980d1e3e386e8ca0ae651c75
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>