rtlwifi: rtl8192cu: Update the power index registers

This patch uses the newly introduced power index register routines.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
Simple merge

diff --cc drivers/net/wireless/rtlwifi/rtl8192cu/dm.h
Simple merge