cros_bundle_firmware: Add mem_manuf to machine params
cros_bundle_firmware: Add mem_manuf to machine params

This goes with a U-Boot change that adds the memory manufacturer.
We'll grab the manufacturer out of the device tree and populate
it into the machine parameters.

BUG=chrome-os-partner:9765
TEST=Run bundle firmware with high verbosity and saw that it
put the right integer for elpida:
  Memory manufacturer: elpida (1)

Change-Id: I2bb4fb5eccc324fa38a850b0b51bdf239cd638fb
Reviewed-on: https://gerrit.chromium.org/gerrit/23037
Reviewed-by: Simon Glass <c00b0378376498bd9cd974c388df8854c0131d27@chromium.org>
Tested-by: Doug Anderson <49983c4a76b998672954ed5edf4a62db4a336502@chromium.org>
Commit-Ready: Doug Anderson <49983c4a76b998672954ed5edf4a62db4a336502@chromium.org>

mgireesh05/dev-util,marineam/coreos-dev-util,coreos/dev-util,coreos/dev-util,marineam/coreos-dev-util,mgireesh05/dev-util,coreos/dev-util,mgireesh05/dev-util