amdfwtool: Cleanup the message of help

1. Wrap the long lines.
2. Align the message.
3. Add new SOC name, Cezanne.
4. Fix the cases.

Change-Id: Id537d7c9b77641289274c1b2b6f606e2be37ac6b
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52697
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

0 files changed, 0 insertions, 0 deletions