arm64: defconfig: enable Qualcomm RX and TX macro for SM8250 audio

Add two config options required to enable audio on Qualcomm SM8250
hardware.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220401193230.846207-1-dmitry.baryshkov@linaro.org