MAINTAINERS: add entry for Rust dma mapping helpers device driver API

Add an entry for the Rust dma mapping helpers abstractions.

Nacked-by: Christoph Hellwig <[email protected]>
Acked-by: Danilo Krummrich <[email protected]>
Acked-by: Andreas Hindborg <[email protected]>
Acked-by: Marek Szyprowski <[email protected]>
Signed-off-by: Abdiel Janulgue <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Miguel Ojeda <[email protected]>

Author: xyn-ack

MAINTAINERS

@@ -6902,6 +6902,19 @@ F:	include/linux/dma-mapping.h
 F:	include/linux/swiotlb.h
 F:	kernel/dma/
 
+DMA MAPPING HELPERS DEVICE DRIVER API [RUST]
+M:	Abdiel Janulgue <[email protected]>
+M:	Danilo Krummrich <[email protected]>
+R:	Daniel Almeida <[email protected]>
+R:	Robin Murphy <[email protected]>
+R:	Andreas Hindborg <[email protected]>
+L:	[email protected]
+S:	Supported
+W:	https://rust-for-linux.com
+T:	git https://github.com/Rust-for-Linux/linux.git alloc-next
+F:	rust/kernel/dma.rs
+F:	samples/rust/rust_dma.rs
+
 DMA-BUF HEAPS FRAMEWORK
 M:	Sumit Semwal <[email protected]>
 R:	Benjamin Gaignard <[email protected]>