sunxi: Add support for Orangepi Plus and Orangepi PC boards

Add defconfig files for the Orangepi Plus and Orangepi PC.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/configs/orangepi_plus_defconfig b/configs/orangepi_plus_defconfig
new file mode 100644
index 0000000..5c1da79
--- /dev/null
+++ b/configs/orangepi_plus_defconfig
@@ -0,0 +1,15 @@
+CONFIG_ARM=y
+CONFIG_ARCH_SUNXI=y
+CONFIG_MACH_SUN8I_H3=y
+CONFIG_DRAM_CLK=672
+CONFIG_DRAM_ZQ=3881979
+CONFIG_DRAM_ODT_EN=y
+# CONFIG_VIDEO is not set
+# CONFIG_USB_KEYBOARD is not set
+CONFIG_DEFAULT_DEVICE_TREE="sun8i-h3-orangepi-plus"
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL=y
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y