linux-phytec-ti

genirq: Move INPROGRESS, MASKED and DISABLED state flags to irq_data

We really need these flags for some of the interrupt chips. Move it
from internal state to irq_data and provide proper accessors.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: David Daney <ddaney@caviumnetworks.com>