wireless: replace uses of __constant_{endian}

The base versions handle constant folding now.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 77f32ad..29d4074 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2848,7 +2848,7 @@
 	__le32 reserved2;
 } __attribute__ ((packed));
 
-#define INTERFERENCE_DATA_AVAILABLE      __constant_cpu_to_le32(1)
+#define INTERFERENCE_DATA_AVAILABLE      cpu_to_le32(1)
 
 struct statistics_rx_non_phy {
 	__le32 bogus_cts;	/* CTS received when not expecting CTS */