smaug: Update fastboot flash bootloader

Updates to flashing bootloader image:
1. Change the name to bootloader since a lot of scripts expect name
bootloader instead of firmware
2. Only update RO,RW-A and RW-B sections on flash. All other sections
remain as is.

BUG=chrome-os-partner:41300
BRANCH=None
TEST=Compiles successfully and fastboot flash bootloader does not
erase VPD data.

Change-Id: Iee37e1720f6568bc5fb1cf39bfe0519ea8c19584
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/276605
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
1 file changed