drivers: adc: stm32: fix clock check for stm32f1

STM32F1 doesn't have synchronous/asynchronous source clock choice.
The recently added clock check was failing compilation for these series.
This commit removes the check for F1.

(cherry picked from commit f4f1b1a)

Original-Signed-off-by: Guillaume Gautier <guillaume.gautier-ext@st.com>
GitOrigin-RevId: f4f1b1a
Cr-Build-Id: 8733746390213692641
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8733746390213692641
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I0ea3563e75ac23627233bf1fca207f8267dadffd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5934665
Commit-Queue: Dawid Niedźwiecki <dawidn@google.com>
Reviewed-by: Jeremy Bettis <jbettis@chromium.org>
Reviewed-by: Dawid Niedźwiecki <dawidn@google.com>
Tested-by: Dawid Niedźwiecki <dawidn@google.com>

drivers/adc/adc_stm32.c

@@ -1754,15 +1754,16 @@ static const struct adc_driver_api api_stm32_driver_api = {
 /* Concat prefix (1st element) and DIV value (2nd element) of st,adc-prescaler */
 #if DT_HAS_COMPAT_STATUS_OKAY(st_stm32f1_adc)
 #define ADC_STM32_DT_PRESC(x)	0
+#define ADC_STM32_CHECK_DT_CLOCK(x)
 #else
 #define ADC_STM32_DT_PRESC(x)	\
 	_CONCAT(ADC_STM32_CLOCK_PREFIX(x), ADC_STM32_DIV(x))
-#endif
-
 /* Macro to check if the ADC instance clock setup is correct */
 #define ADC_STM32_CHECK_DT_CLOCK(x)								\
 	BUILD_ASSERT(IS_EQ(ADC_STM32_CLOCK(x), SYNC) || (DT_INST_NUM_CLOCKS(x) > 1),		\
 		     "ASYNC clock mode defined without ASYNC clock defined in device tree")
+#endif
+
 
 #if defined(CONFIG_ADC_STM32_DMA)