[PATCH] zd1211rw: Mark some data const

This is a backport of Helge Deller's recent patch for wireless-dev.git

Signed-off-by: Daniel Drake <dsd@gentoo.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/zd1211rw/zd_rf.c
Simple merge

diff --cc drivers/net/wireless/zd1211rw/zd_rf_al7230b.c
Simple merge

diff --cc drivers/net/wireless/zd1211rw/zd_rf_rf2959.c
Simple merge