arch/arc: Set the right priority for ADC/AON on quark_se
arch/arc: Set the right priority for ADC/AON on quark_se

ARC has only 2 priorities, 0 or 1. So let's set the right priority for
ADC and AON.

Fixes #8302

Signed-off-by: Anas Nashif <0d9952ec84ac43c159f6b7e7ed99a9080c00dd6e@intel.com>

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