PPC32 support

platform_rio_init — Do platform specific RIO init
ppc_rio_init — Do PPC32 RIO init
rio_hw_add_outb_message — Add message to the MPC85xx outbound message queue
rio_hw_add_inb_buffer — Add buffer to the MPC85xx inbound message queue
rio_hw_get_inb_message — Fetch inbound message from the MPC85xx message unit
mpc85xx_rio_doorbell_send — Send a MPC85xx doorbell message
mpc85xx_local_config_read — Generate a MPC85xx local config space read
mpc85xx_local_config_write — Generate a MPC85xx local config space write
mpc85xx_rio_config_read — Generate a MPC85xx read maintenance transaction
mpc85xx_rio_config_write — Generate a MPC85xx write maintenance transaction
mpc85xx_rio_tx_handler — MPC85xx outbound message interrupt handler
rio_open_outb_mbox — Initialize MPC85xx outbound mailbox
rio_close_outb_mbox — Shut down MPC85xx outbound mailbox
mpc85xx_rio_rx_handler — MPC85xx inbound message interrupt handler
rio_open_inb_mbox — Initialize MPC85xx inbound mailbox
rio_close_inb_mbox — Shut down MPC85xx inbound mailbox
mpc85xx_rio_dbell_handler — MPC85xx doorbell interrupt handler
mpc85xx_rio_doorbell_init — MPC85xx doorbell interface init
mpc85xx_rio_setup — Setup MPC85xx RapidIO interface