habanalabs: hl_pci_set_dma_mask() can be static

set function to be static as it is not called from outside its file.
Signed-off-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

drivers/misc/habanalabs/pci.c

@@ -320,7 +320,7 @@ int hl_pci_init_iatu(struct hl_device *hdev, u64 sram_base_address,
  *
  * Return: 0 on success, non-zero for failure.
  */
-int hl_pci_set_dma_mask(struct hl_device *hdev)
+static int hl_pci_set_dma_mask(struct hl_device *hdev)
 {
 	struct pci_dev *pdev = hdev->pdev;
 	int rc;