defconfig: arm64: msm: Enable rpm-smd config.

Enable rpm-smd driver configs by default for arm64 targets.
Also enable rpm-logs and rpm-stats.

Change-Id: Ia1e9c143e50cba47818d5a7ef697cb8803186fbe
Signed-off-by: Karthik Parsha <kparsha@codeaurora.org>