phy: ti: tusb1210: Drop tusb->vendor_specific2 != 0 check from tusb1210_power_on()

Since commit eb445a15 ("phy: tusb1210: use bitmasks to set
VENDOR_SPECIFIC2") tusb->vendor_specific2 always contains a valid value
so there no need to check that it is set.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220213130524.18748-8-hdegoede@redhat.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

drivers/phy/ti/phy-tusb1210.c

@@ -61,11 +61,8 @@ static int tusb1210_power_on(struct phy *phy)
 	gpiod_set_value_cansleep(tusb->gpio_cs, 1);
 
 	/* Restore the optional eye diagram optimization value */
-	if (tusb->vendor_specific2)
-		return tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2,
-					   tusb->vendor_specific2);
-
-	return 0;
+	return tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2,
+				   tusb->vendor_specific2);
 }
 
 static int tusb1210_power_off(struct phy *phy)