.. the AR5416 HAL code touches the MIMO parts in HAL_CHANNEL,

so this is also needed.

Pointed out by:	bz

sys/dev/ath/ath_hal/ah_desc.h

@@ -31,7 +31,9 @@
  * they'll be initialised to 0 anyway.
  */
 
+#ifndef	AH_SUPPORT_AR5416
 #define	AH_SUPPORT_AR5416	1
+#endif
 
 /*
  * Transmit descriptor status.  This structure is filled

sys/dev/ath/ath_hal/ah_internal.h

@@ -30,6 +30,10 @@
 #include <net80211/_ieee80211.h>
 #include "opt_ah.h"			/* needed for AH_SUPPORT_AR5416 */
 
+#ifndef	AH_SUPPORT_AR5416
+#define	AH_SUPPORT_AR5416	1
+#endif
+
 #ifndef NBBY
 #define	NBBY	8			/* number of bits/byte */
 #endif