ssb: Add SPROM/invariants support for PCMCIA devices

This adds support for reading/writing the SPROM invariants
for PCMCIA based devices.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h
index b7c3889..8644e03 100644
--- a/include/linux/ssb/ssb.h
+++ b/include/linux/ssb/ssb.h
@@ -245,9 +245,9 @@
 	/* Pointer to the PCMCIA device (only if bustype == SSB_BUSTYPE_PCMCIA). */
 	struct pcmcia_device *host_pcmcia;
 
-#ifdef CONFIG_SSB_PCIHOST
+#ifdef CONFIG_SSB_SPROM
 	/* Mutex to protect the SPROM writing. */
-	struct mutex pci_sprom_mutex;
+	struct mutex sprom_mutex;
 #endif
 
 	/* ID information about the Chip. */