arm64: defconfig: Enable qrtr over FIFO driver for sm8150

This driver enables IPC Router communication between two virtual
machines using shared FIFO and virtual irqs.

Change-Id: I164d9ec12e6f1348c7f2efcb2dd5ad25cd6699bf
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>