MAINTAINERS: add maintainers for delaytop

The delaytop tool supports showing system delays and task-level delays,
effectively identifying the top-n tasks with high latency in the system,
which is highly beneficial for improving system performance.  Wang Yaxin
and her colleague Fan Yu focus on locating system delay issues.  To
promote the thriving development of delaytop, we hope to serve as
maintainers to continuously improve it, aiming to provide a more effective
solution for system latency issues in the future.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Wang Yaxin <[email protected]>
Signed-off-by: Fan Yu <[email protected]>
Reviewed-by: Yang Yang <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: xu xin <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Wang Yaxin

MAINTAINERS

@@ -19462,6 +19462,16 @@ S:	Maintained
 F:	include/linux/delayacct.h
 F:	kernel/delayacct.c
 
+TASK DELAY MONITORING TOOLS
+M:	Andrew Morton <[email protected]>
+M:	Wang Yaxin <[email protected]>
+M:	Fan Yu <[email protected]>
+L:	[email protected]
+S:	Maintained
+F:	Documentation/accounting/delay-accounting.rst
+F:	tools/accounting/delaytop.c
+F:	tools/accounting/getdelays.c
+
 PERFORMANCE EVENTS SUBSYSTEM
 M:	Peter Zijlstra <[email protected]>
 M:	Ingo Molnar <[email protected]>