x86: Add Intel Cougar Canyon 2 board

This adds basic support to Intel Cougar Canyon 2 board, a board
based on Chief River platform with an Ivy Bridge processor and
a Panther Point chipset.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/cougarcanyon2_defconfig b/configs/cougarcanyon2_defconfig
new file mode 100644
index 0000000..09306bb
--- /dev/null
+++ b/configs/cougarcanyon2_defconfig
@@ -0,0 +1,20 @@
+CONFIG_X86=y
+CONFIG_VENDOR_INTEL=y
+CONFIG_DEFAULT_DEVICE_TREE="cougarcanyon2"
+CONFIG_TARGET_COUGARCANYON2=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_OF_CONTROL=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DM_PCI=y
+CONFIG_DM_RTC=y
+CONFIG_SYS_NS16550=y
+CONFIG_ICH_SPI=y
+CONFIG_TIMER=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USE_PRIVATE_LIBGCC=y