soc: nxp: imxrt: do not select HAS_PM at family level

Not all SOC cores within the NXP iMX RT family support power
management (for example, the Fusion F1 DSP has no support). Do not
select HAS_PM at the SOC family level, and instead select it at the
series level where applicable

Fixes #69731

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
3 files changed