intrctl: support many interrupt
it need for only primary cpu to reserve slot for legacy interrupts
Merge branch 'k-nakahara-msi-msix-proto2' into k-nakahara-msi-msix-proto2-test-wm
refactor
Merge branch 'k-nakahara-msi-msix-proto2' into k-nakahara-msi-msix-proto2-test-wm