arm64: defconfig: Enable some Qualcomm drivers

Enable coincell, fastrpc, mailbox and adc-tm5 drivers to be built as
modules. These driver are used on many of Qualcomm platforms.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220131165056.2117434-1-dmitry.baryshkov@linaro.org