fix(nxp-tools): fix create_pbl print log

Replace bl2_offset with bl2_loc, and fix byte-swapping for
Chassis2 SoC(s) only.

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: Ieb5fd6468178325bfb6fb89b6c31c75cd9030363
2 files changed