fix compile for NWA650AX

patches/openwrt/0007-mac80211-add-patch-for-debug-output-for-NWA50AX-Pro-issues.patch

@@ -4,17 +4,17 @@ Subject: mac80211: add patch for debug output for NWA50AX Pro issues
 
 diff --git a/package/kernel/mac80211/patches/build/900-ffs-debug.patch b/package/kernel/mac80211/patches/build/900-ffs-debug.patch
 new file mode 100644
-index 0000000000000000000000000000000000000000..998f2d73c1c072441a0e47ce0c4f9f9870972962
+index 0000000000000000000000000000000000000000..d2efe966d176b4fdada359d9c5bd80c71195bc63
 --- /dev/null
 +++ b/package/kernel/mac80211/patches/build/900-ffs-debug.patch
 @@ -0,0 +1,13 @@
 +--- a/net/mac80211/sta_info.c
 ++++ b/net/mac80211/sta_info.c
-+@@ -2363,6 +2363,10 @@ static void sta_stats_decode_rate(struct
++@@ -2355,6 +2355,10 @@ static void sta_stats_decode_rate(struct
 + 
 + 		sband = local->hw.wiphy->bands[band];
 + 
-++		printf("sband = %p, band = 0x%x\n", sband, band);
+++		printk("sband = %p, band = 0x%x\n", sband, band);
 ++		if (!sband)
 ++			break;
 ++