board: ti: j721s2: MAINTAINERS: Update the MAINTAINERS File.

Update the MAINTAINERS file and propose a new MAINTAINER for j721s2 due
to the previous MAINTAINER not being associated with TI.

Reviewed-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
diff --git a/board/ti/j721s2/MAINTAINERS b/board/ti/j721s2/MAINTAINERS
index 323bd23..08c8d11 100644
--- a/board/ti/j721s2/MAINTAINERS
+++ b/board/ti/j721s2/MAINTAINERS
@@ -1,16 +1,23 @@
 J721S2 BOARD
-M:	Aswath Govindraju <a-govindraju@ti.com>
+M:	Manorit Chawdhry <m-chawdhry@ti.com>
 S:	Maintained
 F:	board/ti/j721s2
+F:	arch/arm/mach-k3/j721s2
+F:	doc/board/ti/j721s2_evm.rst
 F:	include/configs/j721s2_evm.h
 F:	configs/j721s2_evm_r5_defconfig
 F:	configs/j721s2_evm_a72_defconfig
 F:	arch/arm/dts/k3-j721s2.dtsi
 F:	arch/arm/dts/k3-j721s2-main.dtsi
 F:	arch/arm/dts/k3-j721s2-mcu-wakeup.dtsi
+F:	arch/arm/dts/k3-j721s2-thermal.dtsi
 F:	arch/arm/dts/k3-j721s2-som-p0.dtsi
 F:	arch/arm/dts/k3-j721s2-common-proc-board.dts
 F:	arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi
-F:	arch/arm/dts//k3-j721s2-r5-common-proc-board.dts
+F:	arch/arm/dts/k3-j721s2-r5-common-proc-board.dts
 F:	arch/arm/dts/k3-j721s2-ddr.dtsi
 F:	arch/arm/dts/k3-j721s2-ddr-evm-lp4-4266.dtsi
+F:	arch/arm/dts/k3-am68-sk-som.dtsi
+F:	arch/arm/dts/k3-am68-sk-base-board.dts
+F:	arch/arm/dts/k3-am68-sk-base-board-u-boot.dtsi
+F:	arch/arm/dts/k3-am68-sk-r5-base-board.dts