dts: bindings: adc: add two compat for stm32 adc

Add two compat for STM32F4-like (F2, F4, F7 & L1) and STM32F1-like (F1
& F37x) ADCs.

Signed-off-by: Guillaume Gautier <[email protected]>

Author: gautierg-st

dts/bindings/adc/st,stm32f1-adc.yaml

@@ -0,0 +1,12 @@
+# Copyright (c) 2023 STMicroelectronics
+
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+        ST STM32F1 family ADC
+        This compatible stands for all ADC blocks similar to the one on STM32F1,
+        like F37x.
+
+compatible: "st,stm32f1-adc"
+
+include: st,stm32-adc.yaml

dts/bindings/adc/st,stm32f4-adc.yaml

@@ -0,0 +1,12 @@
+# Copyright (c) 2023 STMicroelectronics
+
+# SPDX-License-Identifier: Apache-2.0
+
+description: |
+        ST STM32F4 family ADC
+        This compatible stands for all ADC blocks similar to the one on STM32F4,
+        like F2, F7 or L1.
+
+compatible: "st,stm32f4-adc"
+
+include: st,stm32-adc.yaml