pinctrl: ralink: Check for null return of devm_kcalloc
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 v5.4.208 by commit 6194c021496addc11763d1ffa89ce5751889fe3c, it was introduced in version v4.18 by commit a86854d0c599b3202307abceb68feee4d7061578. For more details please see the references link.