ath9k: Convert uses of __constant_<foo> to <foo>

The use of __constant_<foo> has been unnecessary for quite awhile now.

Make these uses consistent with the rest of the kernel.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/ar9003_eeprom.c

@@ -23,8 +23,8 @@
 #define COMP_HDR_LEN 4
 #define COMP_CKSUM_LEN 2
 
-#define LE16(x) __constant_cpu_to_le16(x)
-#define LE32(x) __constant_cpu_to_le32(x)
+#define LE16(x) cpu_to_le16(x)
+#define LE32(x) cpu_to_le32(x)
 
 /* Local defines to distinguish between extension and control CTL's */
 #define EXT_ADDITIVE (0x8000)