ARM: qcom_defconfig: Enable ARM PSCI support

Enable ARM Power State Coordination Interface (PSCI) support on Qualcomm
platforms.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210118053853.56224-12-manivannan.sadhasivam@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm/configs/qcom_defconfig

@@ -297,3 +297,4 @@ CONFIG_MAGIC_SYSRQ=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_WATCHDOG=y
 CONFIG_QCOM_WDT=y
+CONFIG_ARM_PSCI=y