reset: uniphier-glue: Fix possible null-ptr-deref
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.91 by commit 95de286200b2a046da01c4aeba02ae9220d68ca4, it was introduced in version v4.19 by commit 499fef09a3237497906084da3eede0185fc9abb8. For more details please see the references link.