vdd-log supply is pwm-supply, not vin-supply.
Fixes vdd-log supply ending up the dummy regulator.
[ 1.783479] pwm-regulator vdd-log: Looking up pwm-supply from device tree
[ 1.783505] pwm-regulator vdd-log: Looking up pwm-supply property in node /vdd-log failed
[ 1.783556] vdd_log: supplied by regulator-dummy
Per https://lore.kernel.org/all/20211227234529.1970281-2-heiko@sntech.de/
there will be no functional change as the supplying regulator is an always-on
fixed-regulator.