8897: update PCIe firmware to p73

Update 8897 PCIe uapsta firmware to version p73 from Marvell.
Throughput improvements have been reported, as well as many
other regressions reported in factory tests.

TEST=Install on clapper, wifi_matfunc for regression tests

Originally-Reviewed-on: https://chromium-review.googlesource.com/197983
(cherry picked from commit bb94c4c747b526bd11c3eb5a2683f4123a02cc69)

Change-Id: Iec3f6a875df99ed3192569e6fedc47ca7e857a44
Reviewed-on: https://chromium-review.googlesource.com/199379
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
1 file changed