MAINTAINERS: Update my email address to @kernel.org

I had issues using my gmail account multiple times this week, hence
switch to @kernel.org.

Signed-off-by: Boqun Feng <boqun@kernel.org>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Acked-by: Gary Guo <gary@garyguo.net>
Acked-by: Kunwu Chan <kunwu.chan@linux.dev>
Link: https://patch.msgid.link/20260129004520.62697-1-boqun@kernel.org
[ Sorted alphabetically in mailmap. Removed Cc tag list. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: Boqun Feng

.mailmap

@@ -150,6 +150,7 @@ Bjorn Andersson <andersson@kernel.org> <bjorn.andersson@sonymobile.com>
 Björn Steinbrink <B.Steinbrink@gmx.de>
 Björn Töpel <bjorn@kernel.org> <bjorn.topel@gmail.com>
 Björn Töpel <bjorn@kernel.org> <bjorn.topel@intel.com>
+Boqun Feng <boqun@kernel.org> <boqun.feng@gmail.com>
 Boris Brezillon <bbrezillon@kernel.org> <b.brezillon.dev@gmail.com>
 Boris Brezillon <bbrezillon@kernel.org> <b.brezillon@overkiz.com>
 Boris Brezillon <bbrezillon@kernel.org> <boris.brezillon@bootlin.com>

MAINTAINERS

@@ -4109,7 +4109,7 @@ F:	drivers/input/touchscreen/atmel_mxt_ts.c
 ATOMIC INFRASTRUCTURE
 M:	Will Deacon <will@kernel.org>
 M:	Peter Zijlstra <peterz@infradead.org>
-M:	Boqun Feng <boqun.feng@gmail.com>
+M:	Boqun Feng <boqun@kernel.org>
 R:	Mark Rutland <mark.rutland@arm.com>
 R:	Gary Guo <gary@garyguo.net>
 L:	linux-kernel@vger.kernel.org
@@ -4500,7 +4500,7 @@ F:	lib/sbitmap.c
 
 BLOCK LAYER DEVICE DRIVER API [RUST]
 M:	Andreas Hindborg <a.hindborg@kernel.org>
-R:	Boqun Feng <boqun.feng@gmail.com>
+R:	Boqun Feng <boqun@kernel.org>
 L:	linux-block@vger.kernel.org
 L:	rust-for-linux@vger.kernel.org
 S:	Supported
@@ -11264,7 +11264,7 @@ F:	tools/testing/selftests/timers/
 
 DELAY, SLEEP, TIMEKEEPING, TIMERS [RUST]
 M:	Andreas Hindborg <a.hindborg@kernel.org>
-R:	Boqun Feng <boqun.feng@gmail.com>
+R:	Boqun Feng <boqun@kernel.org>
 R:	FUJITA Tomonori <fujita.tomonori@gmail.com>
 R:	Frederic Weisbecker <frederic@kernel.org>
 R:	Lyude Paul <lyude@redhat.com>
@@ -14559,7 +14559,7 @@ M:	Alan Stern <stern@rowland.harvard.edu>
 M:	Andrea Parri <parri.andrea@gmail.com>
 M:	Will Deacon <will@kernel.org>
 M:	Peter Zijlstra <peterz@infradead.org>
-M:	Boqun Feng <boqun.feng@gmail.com>
+M:	Boqun Feng <boqun@kernel.org>
 M:	Nicholas Piggin <npiggin@gmail.com>
 M:	David Howells <dhowells@redhat.com>
 M:	Jade Alglave <j.alglave@ucl.ac.uk>
@@ -14718,7 +14718,7 @@ LOCKING PRIMITIVES
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Ingo Molnar <mingo@redhat.com>
 M:	Will Deacon <will@kernel.org>
-M:	Boqun Feng <boqun.feng@gmail.com> (LOCKDEP & RUST)
+M:	Boqun Feng <boqun@kernel.org> (LOCKDEP & RUST)
 R:	Waiman Long <longman@redhat.com>
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
@@ -21912,7 +21912,7 @@ M:	Frederic Weisbecker <frederic@kernel.org> (kernel/rcu/tree_nocb.h)
 M:	Neeraj Upadhyay <neeraj.upadhyay@kernel.org> (kernel/rcu/tasks.h)
 M:	Joel Fernandes <joelagnelf@nvidia.com>
 M:	Josh Triplett <josh@joshtriplett.org>
-M:	Boqun Feng <boqun.feng@gmail.com>
+M:	Boqun Feng <boqun@kernel.org>
 M:	Uladzislau Rezki <urezki@gmail.com>
 R:	Steven Rostedt <rostedt@goodmis.org>
 R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
@@ -22362,7 +22362,7 @@ RESTARTABLE SEQUENCES SUPPORT
 M:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	"Paul E. McKenney" <paulmck@kernel.org>
-M:	Boqun Feng <boqun.feng@gmail.com>
+M:	Boqun Feng <boqun@kernel.org>
 L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	include/trace/events/rseq.h
@@ -22885,7 +22885,7 @@ F:	tools/verification/
 
 RUST
 M:	Miguel Ojeda <ojeda@kernel.org>
-R:	Boqun Feng <boqun.feng@gmail.com>
+R:	Boqun Feng <boqun@kernel.org>
 R:	Gary Guo <gary@garyguo.net>
 R:	Björn Roy Baron <bjorn3_gh@protonmail.com>
 R:	Benno Lossin <lossin@kernel.org>