Update esp32-hal-ledc.c

[oycq]

IN LINE 209:
if(group) {
LEDC_CHAN(group, channel).conf0.low_speed_update = 1;}
->group 1 is a LOW speed group.

BUT WHY IN LINE 319:
(chan/8)?LEDC_LS_SIG_OUT0_IDX:LEDC_HS_SIG_OUT0_IDX) ?
->group 1 is a HIGH speed group.

I think there is a conflick

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[me-no-dev]

because group = chan/8 will produce 1 if it's the low speed group. Code is correct, maybe re-think how (chan/8)?LEDC_LS_SIG_OUT0_IDX:LEDC_HS_SIG_OUT0_IDX will evaluate :)