fix(analog): guard some declarations

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

cores/arduino/stm32/analog.h

@@ -52,13 +52,13 @@ extern "C" {
 #if defined(HAL_ADC_MODULE_ENABLED) && !defined(HAL_ADC_MODULE_ONLY)
 uint32_t get_adc_channel(PinName pin, uint32_t *bank);
 uint32_t get_adc_internal_channel(PinName pin);
+uint16_t adc_read_value(PinName pin, uint32_t resolution);
 #endif
 #if defined(HAL_DAC_MODULE_ENABLED) && !defined(HAL_DAC_MODULE_ONLY)
 uint32_t get_dac_channel(PinName pin);
-#endif
 void dac_write_value(PinName pin, uint32_t value, uint8_t do_init);
 void dac_stop(PinName pin);
-uint16_t adc_read_value(PinName pin, uint32_t resolution);
+#endif
 #if defined(HAL_TIM_MODULE_ENABLED) && !defined(HAL_TIM_MODULE_ONLY)
 void pwm_start(PinName pin, uint32_t clock_freq, uint32_t value, TimerCompareFormat_t resolution);
 void pwm_stop(PinName pin);