Merge branch 'bugfix/fix_adc_reset_issue_on_legacy_v5.1' into 'release/v5.1'

fix(adc): fix adc continuous get less results beacuse do not reset apb clk(legacy) (v5.1)

See merge request espressif/esp-idf!28333

components/driver/deprecated/adc_dma_legacy.c

@@ -393,6 +393,8 @@ esp_err_t adc_digi_start(void)
         ESP_LOGE(ADC_TAG, "The driver is already started");
         return ESP_ERR_INVALID_STATE;
     }
+    //reset ADC digital part to reset ADC sampling EOF counter
+    periph_module_reset(PERIPH_SARADC_MODULE);
     sar_periph_ctrl_adc_continuous_power_acquire();
     //reset flags
     s_adc_digi_ctx->ringbuf_overflow_flag = 0;