tests: arm: exclude i.mx95 m7 for some interrupt tests

i.MX95 M7 is using multi-level interrupts with custom
interrupt handling. So, arm_custom_interrupt and
arm_irq_vector_table tests should exclude it.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
diff --git a/tests/arch/arm/arm_custom_interrupt/testcase.yaml b/tests/arch/arm/arm_custom_interrupt/testcase.yaml
index d20f87e..d4caae9 100644
--- a/tests/arch/arm/arm_custom_interrupt/testcase.yaml
+++ b/tests/arch/arm/arm_custom_interrupt/testcase.yaml
@@ -8,3 +8,6 @@
 tests:
   arch.arm.custom_interrupt:
     filter: not CONFIG_TRUSTED_EXECUTION_NONSECURE
+    platform_exclude:
+      - imx95_evk/mimx9596/m7
+      - imx95_evk/mimx9596/m7/ddr
diff --git a/tests/arch/arm/arm_irq_vector_table/testcase.yaml b/tests/arch/arm/arm_irq_vector_table/testcase.yaml
index fda5283..0e320ee 100644
--- a/tests/arch/arm/arm_irq_vector_table/testcase.yaml
+++ b/tests/arch/arm/arm_irq_vector_table/testcase.yaml
@@ -11,3 +11,5 @@
             not CONFIG_GEN_ISR_TABLES
     platform_exclude:
       - mr_canhubk3
+      - imx95_evk/mimx9596/m7
+      - imx95_evk/mimx9596/m7/ddr