arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl

These configs are required for booting kernel in QCOM
IPQ8074 boards.

Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>