tegra_cbb_get_irq
err = tegra_cbb_get_irq(pdev, &cbb->nonsec_irq, &cbb->sec_irq);
err = tegra_cbb_get_irq(pdev, NULL, &cbb->sec_irq);
int tegra_cbb_get_irq(struct platform_device *pdev, unsigned int *nonsec_irq,