Merge branch 'bugfix/clear_ledc_gamma_ram' into 'master'

fix(ledc): left-off gamma ram registers should be cleared

Closes IDF-11392 and IDFGH-14293

See merge request espressif/esp-idf!36098

docs/en/api-reference/peripherals/ledc.rst

@@ -275,6 +275,10 @@ The range of the duty cycle values passed to functions depends on selected ``dut
 
         On {IDF_TARGET_NAME}, when channel's binded timer selects its maximum duty resolution, the duty cycle value cannot be set to ``(2 ** duty_resolution)``. Otherwise, the internal duty counter in the hardware will overflow and be messed up.
 
+    .. only:: esp32h2
+
+        The hardware limitation above only applies to chip revision before v1.2.
+
 
 Change PWM Duty Cycle Using Hardware
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