Makefile: fix compile error when make allmodconfig

When make allmodconfig, it will error as below:
https://lore.kernel.org/netdev/bf61574349dcb586d70dde237b71206d68142c0c.camel@sipsolutions.net/T/

They say "at the moment gcc-13 (also 11 and 12) turns off the  -Warray-bounds
checks because of excessive false positives, see 0da6e5fd6c ("gcc: disable
'-Warray-bounds' for gcc-13 too")."

So, upstream may won't fix the compile error when using gcc 8.5.
We add "CFLAGS_nl80211.o := -Wno-array-bounds" to disable '-Warray-bounds' when
compile nl80211.o

Signed-off-by: Jianping Liu <frankjpliu@tencent.com>

net/wireless/Makefile

@@ -11,6 +11,7 @@ obj-$(CONFIG_WEXT_SPY) += wext-spy.o
 obj-$(CONFIG_WEXT_PRIV) += wext-priv.o
 
 cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o scan.o nl80211.o
+CFLAGS_nl80211.o := -Wno-array-bounds
 cfg80211-y += mlme.o ibss.o sme.o chan.o ethtool.o mesh.o ap.o trace.o ocb.o
 cfg80211-y += pmsr.o
 cfg80211-$(CONFIG_OF) += of.o