build(changelog): add new scopes for NXP layerscape platforms

1. Add scopes for ls1046a and related boards: ls1046ardb,
ls1046aqds, ls1046afwry.
2. Add new scope for NXP QSPI driver.
3. Add new scope for NXP tools.

Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: I68ef7dd25628b393dbfbb8dbf59d5185945ea61c
1 file changed