net80211: make use of IEEE80211_KEY_BITS for debug messages

[bz]

Summary

Use %b with IEEE80211_KEY_BITS for the debug logging in
ieee80211_crypto.c rather than just printing the hex value, which
makes some of the messages more obvious and avoids having the header
file next to one at all times.

Sponsored by: The FreeBSD Foundation
MFC after: 3 days

sys/net80211/ieee80211_crypto.c

 /* $FreeBSD$ */
 OUTPUT_FORMAT("elf64-x86-64-freebsd", "elf64-x86-64-freebsd", "elf64-x86-64-freebsd")
 OUTPUT_ARCH(i386:x86-64)
 ENTRY(btext)
 SEARCH_DIR("/usr/lib");
 SECTIONS
 {
+  kernphys = kernload;
   /* Read-only sections, merged into text segment: */
-  kernphys = 0x200000; /* 2MB superpage size */
   . = kernbase + kernphys + SIZEOF_HEADERS;
   /*
    * Use the AT keyword in order to set the right LMA that contains
    * the physical address where the section should be loaded. This is
    * needed for the Xen loader which honours the LMA.
    */
   .interp         : AT (kernphys + SIZEOF_HEADERS) { *(.interp) }
   .hash           : { *(.hash) }