ACPI, x86: Extended error log driver for x86 platform

This H/W error log driver (a.k.a eMCA driver) is implemented based on
http://www.intel.com/content/www/us/en/architecture-and-technology/enhanced-mca-logging-xeon-paper.html

After errors are captured, more detailed platform specific information
can be got via this new enhanced H/W error log driver. Most notably we
can track memory errors back to the DIMM slot silk screen label.

Signed-off-by: Chen, Gong <gong.chen@linux.intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --cc arch/x86/include/asm/mce.h
Simple merge

diff --cc drivers/acpi/Kconfig
Simple merge

diff --cc drivers/acpi/Makefile
Simple merge

diff --cc drivers/acpi/acpi_extlog.c
Simple merge

diff --cc drivers/acpi/bus.c
Simple merge

diff --cc include/linux/acpi.h
Simple merge