pcmcia: disable prefetch/burst for OZ6933

Problems have been reported [1], so disable prefetch/burst, to be on the safe
side.

[1] http://www.mail-archive.com/linux-pcmcia@lists.infradead.org/msg02048.html

Signed-off-by: Tomáš Kováčik <nail@nodomain.sk>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/pcmcia/o2micro.h

@@ -48,6 +48,9 @@
 #ifndef PCI_DEVICE_ID_O2_6812
 #define PCI_DEVICE_ID_O2_6812		0x6872
 #endif
+#ifndef PCI_DEVICE_ID_O2_6933
+#define PCI_DEVICE_ID_O2_6933           0x6933
+#endif
 
 /* Additional PCI configuration registers */
 
@@ -154,6 +157,7 @@ static int o2micro_override(struct yenta_socket *socket)
 		case PCI_DEVICE_ID_O2_6812:
 		case PCI_DEVICE_ID_O2_6832:
 		case PCI_DEVICE_ID_O2_6836:
+ 		case PCI_DEVICE_ID_O2_6933:
 			dev_printk(KERN_INFO, &socket->dev->dev,
 				   "Yenta O2: old bridge, disabling read "
 				   "prefetch/write burst\n");