siimage: do clocking register posting earlier in setup_mmio_siimage()

Do clocking register posting earlier in setup_mmio_siimage()
to match code in init_chipset_siimage().

This is a preparation for the next patch which merges PCI and MMIO
code paths together.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/pci/siimage.c

@@ -522,6 +522,8 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name)
 			break;
 	}
 
+	tmpbyte = readb(ioaddr + 0x4A);
+
 	writeb(      0x72, ioaddr + 0xA1);
 	writew(    0x328A, ioaddr + 0xA2);
 	writel(0x62DD62DD, ioaddr + 0xA4);
@@ -540,8 +542,6 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name)
 		writel(0x00680000, ioaddr + 0x1C8);
 	}
 
-	tmpbyte = readb(ioaddr + 0x4A);
-
 	proc_reports_siimage(dev, (tmpbyte>>4), name);
 	return 1;
 }