doc: sort OS names alphabetically

Author: yvt

src/r3/src/kernel/event_group.rs

@@ -28,10 +28,10 @@ pub type AtomicEventGroupBits = AtomicU32;
 ///
 /// <div class="admonition-follows"></div>
 ///
-/// > **Relation to Other Specifications:** Eventflag (μITRON4.0),
-/// > `EventFlags` (Mbed OS), event group (FreeRTOS), event (RT-Thread),
-/// > event group (Freescale MQX), event set (RTEMS, assigned to each task),
-/// > events (OSEK/VDX, assigned to each extended task)
+/// > **Relation to Other Specifications:** 
+/// > event group (FreeRTOS), event group (Freescale MQX), `EventFlags` (Mbed
+/// > OS), events (OSEK/VDX, assigned to each extended task), event (RT-Thread),
+/// > event set (RTEMS, assigned to each task), Eventflag (μITRON4.0)
 #[doc(include = "../common.md")]
 #[repr(transparent)]
 pub struct EventGroup<System>(Id, PhantomData<System>);

src/r3/src/kernel/startup.rs

@@ -15,7 +15,7 @@ use crate::utils::Init;
 /// <div class="admonition-follows"></div>
 ///
 /// > **Relation to Other Specifications:** `StartupHook` (AUTOSAR OS,
-/// > OSEK/VDX), initialization routine (μITRON4.0), last function (TI-RTOS).
+/// > OSEK/VDX), last function (TI-RTOS), initialization routine (μITRON4.0).
 ///
 #[doc(include = "../common.md")]
 pub struct StartupHook<System>(PhantomData<System>);