rust: hrtimer: add maintainer entry

Add Andreas Hindborg as maintainer for Rust `hrtimer` abstractions. Also
add Boqun Feng as reviewer.

Acked-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20250309-hrtimer-v3-v6-12-rc2-v12-13-73586e2bd5f1@kernel.org
Signed-off-by: Andreas Hindborg <a.hindborg@kernel.org>

Author: Andreas Hindborg

MAINTAINERS

@@ -10355,6 +10355,21 @@ F:	kernel/time/timer_list.c
 F:	kernel/time/timer_migration.*
 F:	tools/testing/selftests/timers/
 
+HIGH-RESOLUTION TIMERS [RUST]
+M:	Andreas Hindborg <a.hindborg@kernel.org>
+R:	Boqun Feng <boqun.feng@gmail.com>
+R:	Frederic Weisbecker <frederic@kernel.org>
+R:	Lyude Paul <lyude@redhat.com>
+R:	Thomas Gleixner <tglx@linutronix.de>
+R:	Anna-Maria Behnsen <anna-maria@linutronix.de>
+L:	rust-for-linux@vger.kernel.org
+S:	Supported
+W:	https://rust-for-linux.com
+B:	https://github.com/Rust-for-Linux/linux/issues
+T:	git https://github.com/Rust-for-Linux/linux.git hrtimer-next
+F:	rust/kernel/time/hrtimer.rs
+F:	rust/kernel/time/hrtimer/
+
 HIGH-SPEED SCC DRIVER FOR AX.25
 L:	linux-hams@vger.kernel.org
 S:	Orphan