maintainers:添加Knowbie-dwg为bsp_stm32f429-armfly-v6的维护者

Author: root

MAINTAINERS

@@ -110,6 +110,10 @@ tag: bsp_stm32
 path: bsp/stm32
 owners: Liya Huang(wdfk-prog)<[email protected]>
 
+tag: bsp_stm32f429-armfly-v6
+path: bsp/stm32/stm32f429-armfly-v6
+owners: wenguang Dong(Knowbie-dwg)[email protected]
+
 tag: bsp_stm32h723-st-nucleo
 path: bsp/stm32/stm32h723-st-nucleo
 owners: 下里巴人(hywing)<[email protected]>