sdm710-common: Import init.qcom.power.rc from sdm845-common

* https://github.com/LineageOS/android_device_xiaomi_sdm845-common/commit/00d7748a9e985bc5ed06428246b31678e4273fe5, minus some stuff we already do in qcom scripts

Change-Id: I64cc283b073af748473b39851c02e1d4ade7b19b