defconfig: gen3auto: Enable PIL & SSR drivers

Enable PIL, SSR and related drivers to load firmware
images for other subsystems and send out notifications
about subsystem states.

Change-Id: Ic85175ddf17486e21427dc1c8540b8016ca6aa9e
Signed-off-by: Vivek Kumar <vivekuma@codeaurora.org>
Signed-off-by: Shreyas K K <shrekk@codeaurora.org>