ath5k: Add 2413 to srev_names so that it shows up during module load

Add 2413 to srev_names so that it shows up during module load.
This is based on the new patch 7 which did not introduce a helper
on ath5k_hw_reset().

Changes-licensed-under: 3-clause-BSD
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>