PC-BSD/trueos 66ab243sbin/ifconfig Makefile

MFC r344748:
Allow to build ifconfig(8) without wireless support

The change removes SIOC[GS]IEEE80211 handling from ifconfig(8)
if WITHOUT_WIRELESS_SUPPORT=yes is set in src.conf(5).

Reviewed by:    bz
Differential Revision:  https://reviews.freebsd.org/D19289
DeltaFile
+2-0sbin/ifconfig/Makefile
+2-01 files

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