drm/panthor: Fix compilation failure on panthor_fw.c

Commit 498893bd596e ("drm/panthor: Simplify FW fast reset path") forgot
to copy the definition of glb_iface when it move one line of code.

Fixes: 498893bd596e ("drm/panthor: Simplify FW fast reset path")
Link: https://lore.kernel.org/dri-devel/[e-mail]/
Signed-off-by: Liviu Dudau <[e-mail]>
Reviewed-by: Karunika Choo <[e-mail]>
Boris Brezillon <[e-mail]>
Signed-off-by: Liviu Dudau <[e-mail]>

drivers/gpu/drm/panthor/panthor_fw.c

···
 		 * This is not needed on a slow reset because FW sections are
 		 * re-initialized.
 		 */
+		struct panthor_fw_global_iface *glb_iface = panthor_fw_get_glb_iface(ptdev);
 		panthor_fw_update_reqs(glb_iface, req, 0, GLB_HALT);
 
 		ret = panthor_fw_start(ptdev);