doc: efm32: msc: tag for doxygen inclusion

Includes a stub .c file to trigger common code generation

include/libopencm3/efm32/common/msc_common.h

@@ -1,3 +1,5 @@
+/** @addtogroup msc_defines
+ */
 /*
  * This file is part of the libopencm3 project.
  *
@@ -17,12 +19,13 @@
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBOPENCM3_EFM32_MSC_H
-#define LIBOPENCM3_EFM32_MSC_H
+#pragma once
 
 #include <libopencm3/efm32/memorymap.h>
 #include <libopencm3/cm3/common.h>
 
+/**@{*/
+
 #define MSC_CTRL		MMIO32(MSC_BASE + 0x000)
 #define MSC_READCTRL		MMIO32(MSC_BASE + 0x004)
 #define MSC_WRITECTRL		MMIO32(MSC_BASE + 0x008)
@@ -150,5 +153,4 @@
 #define MSC_MASSLOCK_LOCKKEY_LOCK	MSC_MASSLOCK_LOCKKEY(0)
 #define MSC_MASSLOCK_LOCKKEY_UNLOCK	MSC_MASSLOCK_LOCKKEY(0x631A)
 
-#endif
-
+/**@}*/

include/libopencm3/efm32/ezr32wg/msc.h

@@ -1,3 +1,11 @@
+/** @defgroup msc_defines MSC Defines
+ *
+ * @brief <b>Defined Constants and Types for the Memory Systems Controller</b>
+ *
+ * @ingroup EZR32WG_defines
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
 /*
  * This file is part of the libopencm3 project.
  *
@@ -17,9 +25,6 @@
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBOPENCM3_EFM32_EZR32WG_MSC_H
-#define LIBOPENCM3_EFM32_EZR32WG_MSC_H
+#pragma once
 
 #include <libopencm3/efm32/common/msc_common.h>
-
-#endif

include/libopencm3/efm32/lg/msc.h

@@ -1,3 +1,11 @@
+/** @defgroup msc_defines MSC Defines
+ *
+ * @brief <b>Defined Constants and Types for the Memory Systems Controller</b>
+ *
+ * @ingroup EFM32LG_defines
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
 /*
  * This file is part of the libopencm3 project.
  *
@@ -17,9 +25,6 @@
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBOPENCM3_EFM32_LG_MSC_H
-#define LIBOPENCM3_EFM32_LG_MSC_H
+#pragma once
 
 #include <libopencm3/efm32/common/msc_common.h>
-
-#endif

include/libopencm3/efm32/wg/msc.h

@@ -1,3 +1,11 @@
+/** @defgroup msc_defines MSC Defines
+ *
+ * @brief <b>Defined Constants and Types for the Memory Systems Controller</b>
+ *
+ * @ingroup EFM32WG_defines
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
 /*
  * This file is part of the libopencm3 project.
  *
@@ -17,9 +25,6 @@
  * along with this library.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef LIBOPENCM3_EFM32_WG_MSC_H
-#define LIBOPENCM3_EFM32_WG_MSC_H
+#pragma once
 
 #include <libopencm3/efm32/common/msc_common.h>
-
-#endif