parisc: Fix data TLB miss in sbaunmapsg
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 v4.19.231 by commit 867e50231c7605547d9334904d70a181f39f2d9e. For more details please see the references link.