arm64: defconfig: Enable QCS404 configs

Enable GCC and pin control configs to make it possible to boot the
QCS404 EVBs.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>