ath9k_hw: simplify revision checks for AR9287

Since AR9287 v1.0 was never sold (and the initvals removed), its revision
checks can be simplified similar to AR9280

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 7ff814d..6d01e50 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -831,18 +831,11 @@
 
 #define AR_SREV_9287(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287))
-#define AR_SREV_9287_10_OR_LATER(_ah) \
+#define AR_SREV_9287_11_OR_LATER(_ah) \
 	(((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9287))
-#define AR_SREV_9287_10(_ah) \
-	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
-	 ((_ah)->hw_version.macRev == AR_SREV_REVISION_9287_10))
 #define AR_SREV_9287_11(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
 	 ((_ah)->hw_version.macRev == AR_SREV_REVISION_9287_11))
-#define AR_SREV_9287_11_OR_LATER(_ah) \
-	(((_ah)->hw_version.macVersion > AR_SREV_VERSION_9287) || \
-	 (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
-	  ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9287_11)))
 #define AR_SREV_9287_12(_ah) \
 	(((_ah)->hw_version.macVersion == AR_SREV_VERSION_9287) && \
 	 ((_ah)->hw_version.macRev == AR_SREV_REVISION_9287_12))