drm/i915: fix semicolon.cocci warnings

drivers/gpu/drm/i915/i915_debugfs.c:4850:2-3: Unneeded semicolon

 Removes unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_debugfs.c

@@ -4950,7 +4950,7 @@ static int i915_dpcd_show(struct seq_file *m, void *data)
 		}
 
 		seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf);
-	};
+	}
 
 	return 0;
 }