scsi: pm8001: Remove unused variable 'value'

Hasn't been used since 2009.

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

 drivers/scsi/pm8001/pm8001_hwi.c: In function ‘mpi_set_phys_g3_with_ssc’:
 drivers/scsi/pm8001/pm8001_hwi.c:415:6: warning: variable ‘value’ set but not used [-Wunused-but-set-variable]

Link: https://lore.kernel.org/r/20201116104119.816527-1-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/pm8001/pm8001_hwi.c

@@ -416,7 +416,7 @@ int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
 				     u32 SSCbit)
 {
-	u32 value, offset, i;
+	u32 offset, i;
 	unsigned long flags;
 
 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
@@ -467,7 +467,7 @@ static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
 	so that the written value will be 0x8090c016.
 	This will ensure only down-spreading SSC is enabled on the SPC.
 	*************************************************************/
-	value = pm8001_cr32(pm8001_ha, 2, 0xd8);
+	pm8001_cr32(pm8001_ha, 2, 0xd8);
 	pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 
 	/*set the shifted destination address to 0x0 to avoid error operation */