soc: qcom: pil: Remove a register read as it causes an unclocked access

A read of a register during the software fatal error handling is removed.
This read causes an unclocked access which prevents the modem subsystem
from succssfully restarting.

Change-Id: I8338830573e55af2e5c9d0f688756d975a3302af
Signed-off-by: Anant Goel <anantg@codeaurora.org>