mtd: lpddr2_nvm: 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 v5.10.163 by commit 0919982a1744346269320615615c7deb14106661, it was introduced in version v3.16 by commit 96ba9dd65788a0bd2a7d1e57ec78b7642f0ccc25. For more details please see the references link.