[MAINTAINERS] add more MAINTAINERS lists

add more MAINTAINERS lists

Author: LittleGreyG

MAINTAINERS

@@ -138,3 +138,8 @@ owners: Chen Bei Dou(Ryan-CW-Code)<[email protected]>
 tag: workflow
 path: .github
 owners: supper thomas(supperthomas)<[email protected]>, Bingru Zhang(Rbb666)<[email protected]>, Yuqiang Wang(kurisaW)<[email protected]>
+
+tag: bsp_stm32
+path: bsp\stm32\stm32h743-st-nucleo
+path: bsp\stm32\stm32h750-artpi
+owners: PengXu(LittleGreyG)<[email protected]>