imx8mq-librem5-r3: Set the CPU voltage to 1.0V when running at 1GHz on Dogwood
This prevents the CPU voltage from being switched by the kernel (cpufreq) over i2c-0, leaving the BUCK2_VOLT_RUN at constant 1.0V. BUCK2_VOLT_IDLE stays at 0.9V.
Edited by Sebastian Krzyszkowiak