adc: make adc single api only build pm lock on s2

Since ADC single read API only uses polling mode, we don't need to add
pm lock in it.

components/driver/adc_common.c

@@ -530,7 +530,7 @@ esp_err_t adc2_config_channel_atten(adc2_channel_t channel, adc_atten_t atten)
 
 static inline void adc2_init(void)
 {
-#if !CONFIG_IDF_TARGET_ESP32
+#if CONFIG_IDF_TARGET_ESP32S2
 #ifdef CONFIG_PM_ENABLE
     /* Lock APB clock. */
     if (s_adc2_arbiter_lock == NULL) {
@@ -609,7 +609,7 @@ esp_err_t adc2_get_raw(adc2_channel_t channel, adc_bits_width_t width_bit, int *
     adc_hal_set_controller(ADC_NUM_2, ADC_CTRL_RTC);
 #endif
 
-#if !CONFIG_IDF_TARGET_ESP32
+#if CONFIG_IDF_TARGET_ESP32S2
 #ifdef CONFIG_PM_ENABLE
     if (s_adc2_arbiter_lock) {
         esp_pm_lock_acquire(s_adc2_arbiter_lock);