rtc: pl031: fix rtc features null pointer dereference
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 v5.15.33 by commit cd2722e411e8ab7e5ae41102f6925fa13dffdac5, it was introduced in version v5.12 by commit d9b0dd54a1943f47a381a474f8ea2c94466110c0. For more details please see the references link.