MAINTAINERS: add Rust I2C tree and update Igor Korotin's email

Add a git tree entry for Rust I2C development and update the e-mail
address. The tree will be used to collect patches and provide a basis
for integration and testing, including linux-next.

Signed-off-by: Igor Korotin <igor.korotin@linux.dev>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Author: Igor Korotin

.mailmap

@@ -338,6 +338,7 @@ Herbert Xu <herbert@gondor.apana.org.au>
 Huacai Chen <chenhuacai@kernel.org> <chenhc@lemote.com>
 Huacai Chen <chenhuacai@kernel.org> <chenhuacai@loongson.cn>
 Ignat Korchagin <ignat@linux.win> <ignat@cloudflare.com>
+Igor Korotin <igor.korotin@linux.dev> <igor.korotin.linux@gmail.com>
 Ike Panhc <ikepanhc@gmail.com> <ike.pan@canonical.com>
 J. Bruce Fields <bfields@fieldses.org> <bfields@redhat.com>
 J. Bruce Fields <bfields@fieldses.org> <bfields@citi.umich.edu>

MAINTAINERS

@@ -12090,11 +12090,12 @@ F:	include/uapi/linux/i2c-*.h
 F:	include/uapi/linux/i2c.h
 
 I2C SUBSYSTEM [RUST]
-M:	Igor Korotin <igor.korotin.linux@gmail.com>
+M:	Igor Korotin <igor.korotin@linux.dev>
 R:	Danilo Krummrich <dakr@kernel.org>
 R:	Daniel Almeida <daniel.almeida@collabora.com>
 L:	rust-for-linux@vger.kernel.org
 S:	Maintained
+T:	git https://github.com/ikrtn/linux.git rust-i2c-next
 F:	rust/kernel/i2c.rs
 F:	samples/rust/rust_driver_i2c.rs
 F:	samples/rust/rust_i2c_client.rs