scsi: a100u2w: Remove unused variable 'bios_phys'

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/a100u2w.c: In function ‘inia100_probe_one’:
 drivers/scsi/a100u2w.c:1092:8: warning: variable ‘bios_phys’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20210312094738.2207817-25-lee.jones@linaro.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-scsi@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/a100u2w.c

@@ -1089,7 +1089,6 @@ static int inia100_probe_one(struct pci_dev *pdev,
 	int error = -ENODEV;
 	u32 sz;
 	unsigned long biosaddr;
-	char *bios_phys;
 
 	if (pci_enable_device(pdev))
 		goto out;
@@ -1141,7 +1140,6 @@ static int inia100_probe_one(struct pci_dev *pdev,
 
 	biosaddr = host->BIOScfg;
 	biosaddr = (biosaddr << 4);
-	bios_phys = phys_to_virt(biosaddr);
 	if (init_orchid(host)) {	/* Initialize orchid chip */
 		printk("inia100: initial orchid fail!!\n");
 		goto out_free_escb_array;