ssb: add attribute to indicate a parallel flash is available

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/ssb/ssb_driver_mips.h b/include/linux/ssb/ssb_driver_mips.h
index 5d057db..07a9c7a 100644
--- a/include/linux/ssb/ssb_driver_mips.h
+++ b/include/linux/ssb/ssb_driver_mips.h
@@ -14,6 +14,7 @@
 };
 
 struct ssb_pflash {
+	bool present;
 	u8 buswidth;
 	u32 window;
 	u32 window_size;