flash_ec: no-op cleanup in flash_it83xx().
flash_ec: no-op cleanup in flash_it83xx().

The whole iteflash command line is now placed in an array, so that the
logging of it no longer duplicates args.

This also renames all _PARAM and _PARAMS suffix variables to _ARGS suffix.

BRANCH=none
BUG=b:79684405
TEST=flash_ec -> iteflash -> servo_v2 -> bip
flash_ec -> iteflash -> servo_v4 -> cr50 -> bip

Change-Id: I96e8928c439073aee1d20c102f9d44b18c212019
Signed-off-by: Matthew Blecker <d18f4466f2802f9c78c5c14a42b8c21fdbfabfcd@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1516132
Reviewed-by: Namyoon Woo <e8732cefb861f07768f47df788a8e8eb75efc09a@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec