MAINTAINERS: add Black Sesame Technologies (BST) ARM SoC support

Add a MAINTAINERS entry for Black Sesame Technologies (BST) ARM SoC
support. This entry covers device tree bindings, drivers, and board files
for BST SoCs, and platform support.

Signed-off-by: Albert Yang <yangzh0906@thundersoft.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Author: jycs168

MAINTAINERS

@@ -2547,6 +2547,14 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/arm/blaize.yaml
 F:	arch/arm64/boot/dts/blaize/
 
+ARM/BST SOC SUPPORT
+M:	Ge Gordon <gordon.ge@bst.ai>
+R:	BST Linux Kernel Upstream Group <bst-upstream@bstai.top>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Supported
+F:	Documentation/devicetree/bindings/arm/bst.yaml
+F:	arch/arm64/boot/dts/bst/
+
 ARM/CALXEDA HIGHBANK ARCHITECTURE
 M:	Andre Przywara <andre.przywara@arm.com>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)