Pull bsp-removal into release branch

diff --cc arch/ia64/Kconfig
Simple merge

diff --cc arch/ia64/configs/tiger_defconfig
Simple merge

diff --cc arch/ia64/kernel/acpi.c
Simple merge

diff --cc arch/ia64/kernel/mca.c
Simple merge

diff --cc arch/ia64/kernel/perfmon.c
Simple merge

diff --cc arch/ia64/kernel/smpboot.c
Simple merge

diff --cc arch/ia64/kernel/time.c
Simple merge

diff --cc arch/ia64/kernel/topology.c
Simple merge