powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chip

powerpc: qe_ic: Rename get_irq_desc_data and get_irq_desc_chip

These two functions disappeared in commit

    0c6f8a8b917ad361319c8ace3e9f28e69bfdb4c1
    "genirq: Remove compat code"

but they still exist in qe_ic.h.
This patch renames the function to their new names.

Signed-off-by: Richard Cochran <[email protected]>
Cc: [email protected]
Cc: Lennert Buytenhek <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
LKML-Reference: <20110330132504[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>