clk: osm: msm: allow WDOG status register to be enabled via debugfs

Enabling WDOG status register by default has power penalty.
Add support to allow the register to be configured via debugfs
instead.

CRs-Fixed: 1081757
Change-Id: I13156d82f544cd28a1579c23b18182c879c85767
Signed-off-by: Osvaldo Banuelos <osvaldob@codeaurora.org>