mainboard/ocp: Add support for OCP platform TiogaPass

OCP platform Tiogapass is a 2-socket server platform, which
is based on a chipset including Intel Skylake-SP processors
and a Lewisburg PCH.

Following ACPI tables are added:
DSDT/SSDT, MADT, FACP, FACS, HPET, MCFG, SLIT, SRAT, DMAR

This patchset is tested on a Tiogapass board. It booted with
Linux kernel 4.16.0; lscpu command shows all 72 cpus (2 sockets,
18 cores, 2 thread per core); ssh command shows
networking is up from Mellanox ConnectX-4 PCIe NIC card.

Toward successful gerrit buildbot build, note:
* microcode is in coreboot intel-microcode submodule repo.
* We are trying to get IFD/ME binaries into coreboot blobs
submodule repo.
* We are trying to get FSP header files into coreboot fsp
submodule repo.
* For FSP binary, we need to update coreboot make system so
that an image could be built without FSP binary. Such image
will not be functional, but at least all coreboot binaries
can be be proved to build without problem.

Known issues (Not intend to address in this initial support for
Xeon-SP processors):
* c6 state is not supported.
* dsdt table is not fully populated, such as processor/socket
devices, some PCIe devices.
* SMM handlers are not added.

Following are some command execution with CentOS booted from
local SATA disk:
[root@localhost ~]# lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                72
On-line CPU(s) list:   0-71
Thread(s) per core:    2
Core(s) per socket:    18
Socket(s):             2
NUMA node(s):          2
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 85
Model name:            Intel(R) Xeon(R) Gold 6139 CPU @ 2.30GHz
Stepping:              4
CPU MHz:               140.415
BogoMIPS:              4626.46
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              1024K
L3 cache:              25344K
NUMA node0 CPU(s):     0-17,36-53
NUMA node1 CPU(s):     18-35,54-71
[root@localhost ~]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 172.23.68.190  netmask 255.255.0.0  broadcast 172.23.255.255
        inet6 2620:10d:c082:9063:268a:7ff:fe57:5af0  prefixlen 64 //cut
        inet6 fe80::268a:7ff:fe57:5af0  prefixlen 64  scopeid 0x20<link>
        inet6 2620:10d:c082:9063::5d2  prefixlen 128  scopeid 0x0<global>
        ether 24:8a:07:57:5a:f0  txqueuelen 1000  (Ethernet)
        RX packets 84249  bytes 6371591 (6.0 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 8418  bytes 748781 (731.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 613  bytes 63906 (62.4 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 613  bytes 63906 (62.4 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
[root@localhost ~]# cbmem
36 entries total:

// Lines were cut to avoid checkpatch.pl warnings

Total Time: 96,243,882,140,175,829

Signed-off-by: Jonathan Zhang <jonzhang@fb.com>
Signed-off-by: Reddy Chagam <anjaneya.chagam@intel.com>
Change-Id: I29868f03037d1887b90dfb19d15aee83c456edce
---
A configs/config.ocp_tiogapass
A src/mainboard/ocp/Kconfig
A src/mainboard/ocp/Kconfig.name
A src/mainboard/ocp/tiogapass/Kconfig
A src/mainboard/ocp/tiogapass/Kconfig.name
A src/mainboard/ocp/tiogapass/Makefile.inc
A src/mainboard/ocp/tiogapass/acpi/platform.asl
A src/mainboard/ocp/tiogapass/acpi_tables.c
A src/mainboard/ocp/tiogapass/board.fmd
A src/mainboard/ocp/tiogapass/board_info.txt
A src/mainboard/ocp/tiogapass/boardid.c
A src/mainboard/ocp/tiogapass/devicetree.cb
A src/mainboard/ocp/tiogapass/dsdt.asl
A src/mainboard/ocp/tiogapass/emmc.h
A src/mainboard/ocp/tiogapass/fadt.c
A src/mainboard/ocp/tiogapass/ramstage.c
A src/mainboard/ocp/tiogapass/romstage.c
A src/mainboard/ocp/tiogapass/skxsp_tp_gpio.h
A src/mainboard/ocp/tiogapass/skxsp_tp_iio.h
A src/mainboard/ocp/tiogapass/tiogapass_boardid.h
20 files changed, 2,055 insertions(+), 0 deletions(-)