MAINTAINERS: add maintainer for Alpine Arm machine

Add myself as a maintainer for arch/arm/mach-alpine/
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

MAINTAINERS

@@ -881,6 +881,11 @@ S:	Maintained
 F:	drivers/media/rc/meson-ir.c
 N:	meson[x68]
 
+ARM/Annapurna Labs ALPINE ARCHITECTURE
+M:	Tsahee Zidenberg <tsahee@annapurnalabs.com>
+S:	Maintained
+F:	arch/arm/mach-alpine/
+
 ARM/ATMEL AT91RM9200 AND AT91SAM ARM ARCHITECTURES
 M:	Andrew Victor <linux@maxim.org.za>
 M:	Nicolas Ferre <nicolas.ferre@atmel.com>