[doc]Fixed the issue of incorrect display of Chinese characters in the Doxygen documentation directory.

documentation/6.components/device-driver/platform/platform.md

@@ -53,7 +53,7 @@ INIT_PLATFORM      → DT nodes → platform devices on bus → match + probe if
 INIT_DEVICE        → RT_PLATFORM_DRIVER_EXPORT → register driver → probe every unmatched device
 ```
 
-**Takeaway**: DT devices appear at **`INIT_PLATFORM`**. Drivers using **`RT_PLATFORM_DRIVER_EXPORT`** register later and then bind via **`rt_bus_add_driver` → rt_bus_for_each_dev`**. Drivers that must run before the bulk DT scan use **`INIT_SUBSYS_EXPORT`** + manual **`rt_platform_driver_register`**.
+**Takeaway**: DT devices appear at **`INIT_PLATFORM`**. Drivers using **`RT_PLATFORM_DRIVER_EXPORT`** register later and then bind via **`rt_bus_add_driver` -> `rt_bus_for_each_dev`**. Drivers that must run before the bulk DT scan use **`INIT_SUBSYS_EXPORT`** + manual **`rt_platform_driver_register`**.
 
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documentation/6.components/device-driver/power_domain/power_domain.md

@@ -229,7 +229,7 @@ regulator enable (if needed)
     → rt_dm_dev_iomap + driver init
 ```
 
-Power **off** for suspend (if implemented): reverse order per SoC manual — often **`idle clocks` → reset assert → power_off`**.
+Power **off** for suspend (if implemented): reverse order per SoC manual - often **`idle clocks` -> `reset assert` -> `power_off`**.
 
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