tpm2: clean up tpm_marshal_command()

The function is reusing some variables which confuses the reader as
the variable names do not match their second function.

This patch edits the code for readability without changing
functionality.

BRANCH=None
BUG=chrome-os-partner:50465
TEST=with the rest of the patches applied Kevin still boots into
     chrome OS.

Change-Id: I396206a64403229ba3921a47b5a08748d8a4b0a3
Signed-off-by: Martin Roth <martinroth@chromium.org>
Original-Commit-Id: 3cf02c365d098c9d2ca57def7cf349ef2291d140
Original-Change-Id: I95a07945d9d2b00a69d514014f848802b82dd90f
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/358915
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/15611
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
1 file changed