arm64: defconfig: Enable SMP2P and dependencies on Lahaina

Enable the HWSPINLOCK, SMEM, SMP2P and SMSM drivers to enable point to
point communication over SMEM with remote processors.

Change-Id: Ia1a648e837542fd09e726b393895e3129d857da9
Signed-off-by: Chris Lew <clew@codeaurora.org>