arm64: defconfig: Enable QDF2432 config options

Now that ACPI is on in the defconfig, the time seems right to enable
drivers for the SD/MMC, DMA, and pin control hardware described in the ACPI
tables of the QDF2432 server platform.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>