mb/inventec: Add Intel SPR server board Inventec Transformers

CPU:
- 2 SPR sockets
- 64 total PCIe 5.0 lanes with up to 64 lanes of Flex Bus/CXL per CPU
- Up to 32 DDR5 DIMM
- 1 Gbase-T NIC port
- 1 USB3.0 type A, 1 USB2.0 connector
- 1 VGA connector

BMC:
- ASPEED AST2600 BMC
- 1 DDR4 8Gb memory
- 1 8GB eMMC

Test:
The board boots to Linux 4.19.6 with all 192 cores available.

Change-Id: Ic9d99c3aadaa9f69e6d14d4b1a6c5157f5590684
Signed-off-by: Annie Chen <Chen.AnnieET@inventec.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75598
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Hung-Wei Chen <Chen.HW@inventec.com>
Reviewed-by: Annie Chen <chen.annieet@inventec.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/src/mainboard/inventec/Kconfig b/src/mainboard/inventec/Kconfig
new file mode 100644
index 000000000000..24c57292bf99
--- /dev/null
+++ b/src/mainboard/inventec/Kconfig
@@ -0,0 +1,15 @@
+if VENDOR_INVENTEC
+
+choice
+	prompt "Mainboard model"
+
+source "src/mainboard/inventec/*/Kconfig.name"
+
+endchoice
+
+source "src/mainboard/inventec/*/Kconfig"
+
+config MAINBOARD_VENDOR
+	default "Inventec"
+
+endif # VENDOR_INVENTEC