iwlwifi: bump max FW API to 31

Bump the maximum accepted firmware API number for devices in the 8000,
9000 and A000 families.
Signed-off-by: NLuca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-8000.c

@@ -70,8 +70,8 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL8000_UCODE_API_MAX	30
-#define IWL8265_UCODE_API_MAX	30
+#define IWL8000_UCODE_API_MAX	31
+#define IWL8265_UCODE_API_MAX	31
 
 /* Lowest firmware API version supported */
 #define IWL8000_UCODE_API_MIN	17

drivers/net/wireless/intel/iwlwifi/iwl-9000.c

@@ -55,7 +55,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL9000_UCODE_API_MAX	30
+#define IWL9000_UCODE_API_MAX	31
 
 /* Lowest firmware API version supported */
 #define IWL9000_UCODE_API_MIN	30

drivers/net/wireless/intel/iwlwifi/iwl-a000.c

@@ -55,7 +55,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL_A000_UCODE_API_MAX	30
+#define IWL_A000_UCODE_API_MAX	31
 
 /* Lowest firmware API version supported */
 #define IWL_A000_UCODE_API_MIN	24