stm32l4: Fix formatting in peripheral header files

Co-Authored-By: bsatrom@blues.com <bsatrom@blues.com>

Author: devin-ai-integration[bot]

ports/stm/peripherals/periph.h

@@ -21,11 +21,11 @@ typedef struct {
 } mcu_periph_obj_t;
 
 #define PERIPH(index, alt, p_pin)       \
-        { \
-            .periph_index = index, \
-            .altfn_index = alt, \
-            .pin = p_pin, \
-        }
+    { \
+        .periph_index = index, \
+        .altfn_index = alt, \
+        .pin = p_pin, \
+    }
 
 // Timer Peripheral
 
@@ -37,12 +37,12 @@ typedef struct {
 } mcu_tim_pin_obj_t;
 
 #define TIM(index, alt, channel, tim_pin)       \
-        { \
-            .tim_index = index - 1, \
-            .altfn_index = alt, \
-            .channel_index = channel - 1, \
-            .pin = tim_pin, \
-        }
+    { \
+        .tim_index = index - 1, \
+        .altfn_index = alt, \
+        .channel_index = channel - 1, \
+        .pin = tim_pin, \
+    }
 
 // F4 Series
 // Access Lines

ports/stm/peripherals/pins.h

@@ -32,24 +32,24 @@ typedef struct {
 // but all 3 ADCs will share the same input number per pin.
 // F4 family has 3 ADC max, 24 channels max.
 #define ADC_INPUT(mask, number) \
-        .adc_unit = mask, \
-        .adc_channel = number,
+    .adc_unit = mask, \
+    .adc_channel = number,
 
 #define NO_ADC \
-        .adc_unit = 0x00, \
-        .adc_channel = 0x1f
+    .adc_unit = 0x00, \
+    .adc_channel = 0x1f
 
 extern const mp_obj_type_t mcu_pin_type;
 
 // STM32 can have up to 9 ports, each restricted to 16 pins
 // We split the pin/port evenly, in contrast to nrf.
 #define PIN(p_port, p_number, p_adc)       \
-        { \
-            { &mcu_pin_type }, \
-            .port = p_port, \
-            .number = p_number, \
-            p_adc \
-        }
+    { \
+        { &mcu_pin_type }, \
+        .port = p_port, \
+        .number = p_number, \
+        p_adc \
+    }
 
 // Use illegal pin value to mark unassigned pins.
 #define NO_PIN 0xff