ath5k:Remove __raw_read and __raw_write

By swithing from our __raw_read and __raw_write functions to ioread32 and iowrite32,
benchmarks on my desk with iperf went from 11MBps to 18.1MBps using the AHB bus
on an EnGenius ECB3500 running OpenWRT.

Signed-off-by: Jonathan Bither <jonbither@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/ath/ath5k/ahb.c
Simple merge

diff --cc drivers/net/wireless/ath/ath5k/ath5k.h
Simple merge

diff --cc drivers/net/wireless/ath/ath5k/reset.c
Simple merge