MAINTAINERS: fix typo in TYR DRM driver entry

Fix a missing ':' in the ARM MALI TYR DRM DRIVER entry, which does
prevent script/get_maintainer.pl to properly work and pick up the
corresponding maintainers.

Fixes: cf4fd52 ("rust: drm: Introduce the Tyr driver for Arm Mali GPUs")
Reported-by: Tamir Duberstein <tamird@kernel.org>
Closes: https://lore.kernel.org/lkml/CAJ-ks9mrZtnPUjp5tD03hW+TyS0M9i-KRF_ramNY-oh-0X+ayA@mail.gmail.com/
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Reviewed-by: Tamir Duberstein <tamird@kernel.org>
Link: https://patch.msgid.link/20251223115949.32531-1-dakr@kernel.org
Signed-off-by: Alice Ryhl <aliceryhl@google.com>

Author: Danilo Krummrich

MAINTAINERS

@@ -2158,7 +2158,7 @@ M:	Alice Ryhl <aliceryhl@google.com>
 L:	dri-devel@lists.freedesktop.org
 S:	Supported
 W:	https://rust-for-linux.com/tyr-gpu-driver
-W	https://drm.pages.freedesktop.org/maintainer-tools/drm-rust.html
+W:	https://drm.pages.freedesktop.org/maintainer-tools/drm-rust.html
 B:	https://gitlab.freedesktop.org/panfrost/linux/-/issues
 T:	git https://gitlab.freedesktop.org/drm/rust/kernel.git
 F:	Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml