ARM: embestmx6boards: convert mars/riot boards to DM_USB

Convert the marsboard/riotboard to use DM_USB.
Signed-off-by: NPeter Robinson <pbrobinson@gmail.com>
Cc: "Eric Bénard" <eric@eukrea.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>

configs/marsboard_defconfig

@@ -47,6 +47,7 @@ CONFIG_MXC_SPI=y
 CONFIG_DM_THERMAL=y
 CONFIG_IMX_THERMAL=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_DM_VIDEO=y

configs/riotboard_defconfig

@@ -59,6 +59,7 @@ CONFIG_MXC_SPI=y
 CONFIG_DM_THERMAL=y
 CONFIG_IMX_THERMAL=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_DM_VIDEO=y

include/configs/embestmx6boards.h

@@ -29,7 +29,6 @@
 #define CONFIG_SYS_I2C_SPEED		100000
 
 /* USB Configs */
-#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET	/* For OTG port */
 #define CONFIG_MXC_USB_PORTSC	(PORT_PTS_UTMI | PORT_PTS_PTW)
 #define CONFIG_MXC_USB_FLAGS	0