defconfig: Add a config for AM335x High Security EVM with SPI Boot support

Add a new defconfig file for the AM335x High Security EVM. This config
is specific for the case of SPI booting.

Signed-off-by: Andrew Davis <afd@ti.com>
diff --git a/configs/am335x_hs_evm_spi_defconfig b/configs/am335x_hs_evm_spi_defconfig
new file mode 100644
index 0000000..df00984
--- /dev/null
+++ b/configs/am335x_hs_evm_spi_defconfig
@@ -0,0 +1,26 @@
+#include <configs/am335x_hs_evm_defconfig>
+
+CONFIG_ARM=y
+CONFIG_ARCH_OMAP2PLUS=y
+
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+
+CONFIG_SPI_BOOT=y
+
+CONFIG_SPL_MTD_SUPPORT=y
+
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_EXT4_WRITE=y
+
+CONFIG_BLK=n
+
+CONFIG_USE_TINY_PRINTF=y
+CONFIG_SPL_OF_LIBFDT=y