board: beagle: beagley-ai: Add pattern match for MAINTAINERS

just use beagley_ai as pattern match for the files and folders involved.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
diff --git a/board/beagle/beagley-ai/MAINTAINERS b/board/beagle/beagley-ai/MAINTAINERS
index 1623329..04d5f67 100644
--- a/board/beagle/beagley-ai/MAINTAINERS
+++ b/board/beagle/beagley-ai/MAINTAINERS
@@ -3,6 +3,4 @@
 M:      Tom Rini <trini@konsulko.com>
 S:	Maintained
 F:	board/beagle/beagley-ai/
-F:	include/configs/beagley_ai.h
-F:	configs/am67a_beagley_ai_r5_defconfig
-F:	configs/am67a_beagley_ai_a53_defconfig
+N:      beagley_ai