Make sure that if the INTRTIE bit is set both functions of the cardbus
bridge use the same IRQ before doing any probing...

[ yes i hate the TI bridges for the fact that they are very flexible
  so that so many BIOS vendors get it wrong. ]
Signed-off-by: NDaniel Ritz <daniel.ritz@gmx.ch>
Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>