Patch merged into coreboot/master: drop unneeded IRQ_SLOT_COUNTs

the following patch was just integrated into master:
commit edae744467297aa31e0ff994864ec0a68434758f
Author: Stefan Reinauer 
Date:   Wed Jun 10 16:37:13 2015 -0700

drop unneeded IRQ_SLOT_COUNTs

This is only needed on boards that still provide old style PIRQ
    tables.

Change-Id: Ie299de2937e5b91b7b3e1d1110e40be23c6d9f52
    Signed-off-by: Stefan Reinauer 
    Reviewed-on: http://review.coreboot.org/10508
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/10508 for details.

-gerrit