p54: power save management

This patch implements dynamic power save feature for p54.

Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h
index 035e773..6207323 100644
--- a/drivers/net/wireless/p54/p54common.h
+++ b/drivers/net/wireless/p54/p54common.h
@@ -534,6 +534,7 @@
 	__le16 periods;
 } __attribute__ ((packed));
 
+#define P54_PSM_CAM			0
 #define P54_PSM				BIT(0)
 #define P54_PSM_DTIM			BIT(1)
 #define P54_PSM_MCBC			BIT(2)