arm64: defconfig: enable SM8550 DISPCC clock driver

Build the Qualcomm SM8550 Display Clock Controller driver as a module

Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230110-topic-sm8550-disp-defconfig-v3-1-11b558f7ff5d@linaro.org