Add STM32 (m) to capabilities/architecture

Author: virtual-maker

core/MyCapabilities.h

@@ -141,7 +141,7 @@
  * @def MY_CAP_ARCH
  * @brief Indicate the architecture.
  *
- * @see ARDUINO_ARCH_SAMD, ARDUINO_ARCH_NRF5, ARDUINO_ARCH_ESP8266, ARDUINO_ARCH_ESP32, ARDUINO_ARCH_AVR, ARDUINO_ARCH_STM32F1, TEENSYDUINO
+ * @see ARDUINO_ARCH_SAMD, ARDUINO_ARCH_NRF5, ARDUINO_ARCH_ESP8266, ARDUINO_ARCH_ESP32, ARDUINO_ARCH_AVR, ARDUINO_ARCH_STM32, ARDUINO_ARCH_STM32F1, TEENSYDUINO
  *
  * | Architecture | Indicator
  * |--------------|----------
@@ -150,6 +150,7 @@
  * | ESP8266      | E
  * | ESP32        | F
  * | AVR          | A
+ * | STM32        | m
  * | STM32F1      | M
  * | TEENSY       | T
  * | Linux        | L
@@ -165,6 +166,8 @@
 #define MY_CAP_ARCH "F"
 #elif defined(ARDUINO_ARCH_AVR)
 #define MY_CAP_ARCH "A"
+#elif defined(ARDUINO_ARCH_STM32)
+#define MY_CAP_ARCH "m"
 #elif defined(ARDUINO_ARCH_STM32F1)
 #define MY_CAP_ARCH "M"
 #elif defined(__arm__) && defined(TEENSYDUINO)