scsi: mpt3sas: Fix a memory leak

Add a forgotten kfree().

Fixes: dbec4c9 ("scsi: mpt3sas: lockless command submission")
Link: https://lore.kernel.org/r/20230207152159.18627-1-thenzl@redhat.com
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mpt3sas/mpt3sas_base.c

@@ -5850,6 +5850,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
 		}
 		dma_pool_destroy(ioc->pcie_sgl_dma_pool);
 	}
+	kfree(ioc->pcie_sg_lookup);
+	ioc->pcie_sg_lookup = NULL;
+
 	if (ioc->config_page) {
 		dexitprintk(ioc,
 			    ioc_info(ioc, "config_page(0x%p): free\n",