[PATCH] wireless Kconfig add IPW2200_RADIOTAP

Makefile both IPW2200_RADIOTAP and IPW2200_PROMISCUOUS depend on
IPW2200_MONITOR. Let IPW2200_PROMISCUOUS select IPW2200_RADIOTAP.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>