arm64: defconfig: Enable SSR, PIL, Sysmon, and PDR drivers

Enable the support for Subsystem Restart (SSR), Peripheral Image
Loader (PIL), System Monitor (sysmon), and Protection Domain
Restart (PDR) drivers for Lahaina platform.

Change-Id: I00de932d1b27b52aaffe47ac80c9422fe3bbdc43
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>