wireless: Convert wiphy_debug macro to function
Save a few bytes of text
(allyesconfig)
$ size drivers/net/wireless/built-in.o*
text data bss dec hex filename
3924568 100548 871056
4896172 4ab5ac drivers/net/wireless/built-in.o.new
3926520 100548 871464
4898532 4abee4 drivers/net/wireless/built-in.o.old
$ size net/wireless/core.o*
text data bss dec hex filename
12843 216 3768 16827 41bb net/wireless/core.o.new
12328 216 3656 16200 3f48 net/wireless/core.o
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>