cxgbe(4): Update firmwares to 1.27.4.0
This is the list of changes since last release, taken from the release
notes of Chelsio Unified Wire 3.18.0.1.
Version : 1.27.4.0
Date : 07/05/2023
Fixes
BASE:
- Handle 40G to 100G cable change.
- Avoid unnecessary i2c read.
Obtained from: Chelsio Communications
Sponsored by: Chelsio Communications
(cherry picked from commit 8a2e880ab07f3cd04a0f458809fba5d4eacf75f1)