ar9300RateSize is not necessarily a power of 4.

Change ar9003_hw_set_target_power_eeprom
to print the targetPowerValT2 array one per line.

ath9k_hw_ar9300_set_txpower repeated the output 4 times per line,
change it to print the targetPowerValT2 value one per line.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>