drm/panthor: Fix compilation failure on panthor_fw.c

Commit 498893bd ("drm/panthor: Simplify FW fast reset path") forgot
to copy the definition of glb_iface when it move one line of code.

Fixes: 498893bd ("drm/panthor: Simplify FW fast reset path")
Link: https://lore.kernel.org/dri-devel/20241119164455.572771-1-liviu.dudau@arm.com/


Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Reviewed-by: Karunika Choo <karunika.choo@arm.com>
Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>