dm: arm: rpi: Move to driver model for USB

Start using driver model for USB on the Raspberry Pi. The dwc2 supports
this now so this is just a config change.

Signed-off-by: Simon Glass <sjg@chromium.org>

configs/rpi_2_defconfig

@@ -17,6 +17,7 @@ CONFIG_OF_EMBED=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_WHITE_ON_BLACK=y

configs/rpi_3_32b_defconfig

@@ -19,6 +19,7 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_WHITE_ON_BLACK=y

configs/rpi_3_defconfig

@@ -19,6 +19,7 @@ CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
 # CONFIG_REQUIRE_SERIAL_CONSOLE is not set
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_WHITE_ON_BLACK=y

configs/rpi_defconfig

@@ -17,6 +17,7 @@ CONFIG_OF_EMBED=y
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_BCM2835=y
 CONFIG_USB=y
+CONFIG_DM_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_SYS_WHITE_ON_BLACK=y

include/configs/rpi.h

@@ -79,11 +79,6 @@
 
 #ifdef CONFIG_CMD_USB
 #define CONFIG_USB_DWC2
-#ifndef CONFIG_BCM2835
-#define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
-#else
-#define CONFIG_USB_DWC2_REG_ADDR 0x20980000
-#endif
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_SMSC95XX
 #define CONFIG_TFTP_TSIZE