Update the MAINTAINERS file to include the Rust abstractions for cpumask
API.

Yury has indicated that he does not wish to maintain the Rust code but
would like to be listed as a reviewer.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
---
 MAINTAINERS | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 96b827049501..bd7c54af4fd4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6237,6 +6237,12 @@ L:	linux-riscv@lists.infradead.org
 S:	Maintained
 F:	drivers/cpuidle/cpuidle-riscv-sbi.c
 
+CPUMASK API [RUST]
+M:	Viresh Kumar <viresh.kumar@linaro.org>
+R:	Yury Norov <yury.norov@gmail.com>
+S:	Maintained
+F:	rust/kernel/cpumask.rs
+
 CRAMFS FILESYSTEM
 M:	Nicolas Pitre <nico@fluxnic.net>
 S:	Maintained
-- 
2.31.1.272.g89b43f80a514