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

Change-Id: Iec3f6a875df99ed3192569e6fedc47ca7e857a44
Reviewed-on: https://chromium-review.googlesource.com/197983
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Paul Stewart <pstew@chromium.org>
Tested-by: Paul Stewart <pstew@chromium.org>
1 file changed