Patch merged into coreboot/master: baytrail: fix missing brackets around ir_base to fix IRQ routing

the following patch was just integrated into master:
commit 316170e22cd2772e3b01e714ca8d662467b8de0c
Author: Alexander Couzens 
Date:   Tue Nov 24 09:46:18 2015 +0100

baytrail: fix missing brackets around ir_base to fix IRQ routing

The missing brackets caused other registers, including the IO APIC
    enable bit (EAN in OIC) to be overwritten. Bug introduced by
    bde6d309 (x86: Change MMIO addr in readN(addr)/writeN(addr, val) to pointer)

Change-Id: I1d5aa2af6d74405a1a125af6221ac0e635a6b693
    Signed-off-by: Alexander Couzens 
    Reviewed-on: https://review.coreboot.org/12525
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/12525 for details.

-gerrit