ath9k: cleanup try count for MRR in rate control

This has no functional change and just cleans up the code
to be more legible and removes a useless variable for
Multi Rate Retry.

For regular frames we use 2 retries for MRR segments [0-2].
For the last MRR segment [3] we use 4.

MRR[0] = 2
MRR[1] = 2
MRR[2] = 2
MRR[3] = 4

Cc: Derek Smithies <[email protected]>
Cc: Chittajit Mitra <[email protected]>
Signed-off-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: John W. Linville <[email protected]>

0 files changed, 0 insertions, 0 deletions