Update MAINTAINERS

添加ReviewSun为bsp_nrf5x和kernel的维护者

Author: ReviewSun

MAINTAINERS

@@ -73,6 +73,10 @@ tag: bsp_mm32f526x
 path: bsp/mm32f526x
 owners: Huanyi Mai(Chasel)<[email protected]>
 
+tag: bsp_nrf5x
+path: bsp/nrf5x
+owners: Xiaowei Swenson(ReviewSun)<[email protected]>
+
 tag: bsp_rt-spark
 path: bsp/stm32/stm32f407-rt-spark
 owners: Bingru Zhang(Rbb666)<[email protected]>, Yuqiang Wang(kurisaW)<[email protected]>
@@ -143,7 +147,7 @@ owners: Yucai Liu(illustriousness)<[email protected]>
 
 tag: kernel
 path: src
-owners: Guorui Li(GorrayLi)<[email protected]>, Lian Wang(lianux-mm)<[email protected]>, Liya Huang(wdfk-prog)<[email protected]>
+owners: Guorui Li(GorrayLi)<[email protected]>, Lian Wang(lianux-mm)<[email protected]>, Liya Huang(wdfk-prog)<[email protected]>, Xiaowei Swenson(ReviewSun)<[email protected]>
 
 tag: libc
 path: components/libc