feat(intel): fix bridge disable and reset

Fix bridge sideband manager register clear and set incorrect
implementation. To support non-graceful full bridge disable
and enable.

Signed-off-by: Ang Tien Sung <tien.sung.ang@intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Change-Id: I651f3ec163d954e8efb0542ec33bce96e51992db
2 files changed