MAINTAINERS: exclude the tyr driver from DRM MISC

The ARM MALI TYR DRM DRIVER is already maintained through the drm-rust
tree, hence exclude it from drm-misc.

Fixes: cf4fd52 ("rust: drm: Introduce the Tyr driver for Arm Mali GPUs")
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20251223120436.33233-1-dakr@kernel.org
Signed-off-by: Alice Ryhl <aliceryhl@google.com>

Author: Danilo Krummrich

MAINTAINERS

@@ -8357,6 +8357,7 @@ X:	drivers/gpu/drm/msm/
 X:	drivers/gpu/drm/nova/
 X:	drivers/gpu/drm/radeon/
 X:	drivers/gpu/drm/tegra/
+X:	drivers/gpu/drm/tyr/
 X:	drivers/gpu/drm/xe/
 
 DRM DRIVERS AND COMMON INFRASTRUCTURE [RUST]