apalis/colibri_imx6: enable SDP by default

Enable Serial Download Protocol (SDP) in SPL and U-Boot. This is
useful to make use of imx_usb to download the complete U-Boot
(u-boot.img) after SPL has been downloaded. The U-Boot command
sdp allows to enumerate as SDP capable device again, e.g. to
download a Linux kernel and/or U-Boot script.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>

configs/apalis_imx6_defconfig

@@ -17,6 +17,9 @@ CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_SPL=y
 CONFIG_SPL_DMA_SUPPORT=y
 CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_USB_HOST_SUPPORT=y
+CONFIG_SPL_USB_GADGET_SUPPORT=y
+CONFIG_SPL_USB_SDP_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="Apalis iMX6 # "
 CONFIG_CMD_BOOTZ=y
@@ -33,6 +36,7 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_USB_SDP=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y

configs/colibri_imx6_defconfig

@@ -17,6 +17,9 @@ CONFIG_BOARD_EARLY_INIT_F=y
 CONFIG_SPL=y
 CONFIG_SPL_DMA_SUPPORT=y
 CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_USB_HOST_SUPPORT=y
+CONFIG_SPL_USB_GADGET_SUPPORT=y
+CONFIG_SPL_USB_SDP_SUPPORT=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="Colibri iMX6 # "
 CONFIG_CMD_BOOTZ=y
@@ -33,6 +36,7 @@ CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
 CONFIG_CMD_USB=y
+CONFIG_CMD_USB_SDP=y
 CONFIG_CMD_USB_MASS_STORAGE=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y