Do pci post on s2 reg writes

For now, lets do pci posts here as well. Will look at this again later.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

bcwc_hw.h

@@ -111,6 +111,7 @@ static inline void _BCWC_ISP_REG_WRITE(struct bcwc_private *dev_priv, u32 val,
 
 	// dev_info(&dev_priv->pdev->dev, "Dev IO write at %u\n", offset);
 	iowrite32(val, dev_priv->isp_io + offset);
+	bcwc_hw_pci_post(dev_priv);
 }
 
 extern int bcwc_hw_init(struct bcwc_private *dev_priv);