`CONFIG_LEGACY_MULTI_LEVEL_TABLE_GENERATION` had been deprecated since
#66877 for 2 releases, interrupt controller drivers should have been
updated to use the new `IRQ_PARENT_ENTRY_DEFINE()` macro. Remove it.
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
The tests should only be allowed on supported platforms instead
of blanket enabling on architectures. There are platforms which
do multi level interrupts but cannot run the tests.
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
Test the registration of interrupt controller with the
intc_table and verify that thru the sw_isr_table APIs.
Verified registration with all 3 interrupt levels.
Signed-off-by: Yong Cong Sin <ycsin@meta.com>