board: arm:: Add support for Broadcom BCM23550

Add support for the Broadcom BCM23550 board.

Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/configs/bcm23550_w1d_defconfig b/configs/bcm23550_w1d_defconfig
new file mode 100644
index 0000000..3328e51
--- /dev/null
+++ b/configs/bcm23550_w1d_defconfig
@@ -0,0 +1,24 @@
+CONFIG_ARM=y
+CONFIG_TARGET_BCM23550_W1D=y
+CONFIG_HUSH_PARSER=y
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_IMLS is not set
+CONFIG_CMD_ASKENV=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_NET is not set
+# CONFIG_CMD_NFS is not set
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_FAT=y
+CONFIG_SYS_NS16550=y
+CONFIG_USB=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Broadcom Corporation"
+CONFIG_G_DNL_VENDOR_NUM=0x18d1
+CONFIG_G_DNL_PRODUCT_NUM=0x0d02
+CONFIG_OF_LIBFDT=y