graphics/drm-fbsd13-kmod: Update to 5.4.144.g20220128

• Fix a potential panic when kern.vt.splash_cpu is set [1]
• Do not depend on debugfs if not compiled with support

PR: 260896 [1]
MFH: 2022Q1

Sponsored by: Beckhoff Automation GmbH & Co. KG

(cherry picked from commit 9ba2b41e3d2f582c03b42067ae60d00490e4d3ea)