Convert CONFIG_TWL4030_USB to Kconfig

This converts the following to Kconfig:
   CONFIG_TWL4030_USB

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/cm_t35_defconfig b/configs/cm_t35_defconfig
index cfb68b1..0cb6e72 100644
--- a/configs/cm_t35_defconfig
+++ b/configs/cm_t35_defconfig
@@ -52,6 +52,7 @@
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
+CONFIG_TWL4030_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/igep0032_defconfig b/configs/igep0032_defconfig
index 60cce77..b0daee1 100644
--- a/configs/igep0032_defconfig
+++ b/configs/igep0032_defconfig
@@ -42,6 +42,7 @@
 CONFIG_USB=y
 CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
+CONFIG_TWL4030_USB=y
 CONFIG_FAT_WRITE=y
 CONFIG_BCH=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/igep00x0_defconfig b/configs/igep00x0_defconfig
index d8ece6b..22dbc70 100644
--- a/configs/igep00x0_defconfig
+++ b/configs/igep00x0_defconfig
@@ -43,6 +43,7 @@
 CONFIG_USB=y
 CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
+CONFIG_TWL4030_USB=y
 CONFIG_FAT_WRITE=y
 CONFIG_BCH=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/nokia_rx51_defconfig b/configs/nokia_rx51_defconfig
index 570bb3f..e93042e 100644
--- a/configs/nokia_rx51_defconfig
+++ b/configs/nokia_rx51_defconfig
@@ -30,6 +30,7 @@
 CONFIG_USB_MUSB_HCD=y
 CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
+CONFIG_TWL4030_USB=y
 CONFIG_VIDEO=y
 CONFIG_CFB_CONSOLE_ANSI=y
 # CONFIG_VGA_AS_SINGLE_DEVICE is not set
diff --git a/configs/omap3_beagle_defconfig b/configs/omap3_beagle_defconfig
index 33fd146..318c1f9 100644
--- a/configs/omap3_beagle_defconfig
+++ b/configs/omap3_beagle_defconfig
@@ -53,6 +53,7 @@
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_MUSB_OMAP2PLUS=y
+CONFIG_TWL4030_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="TI"
diff --git a/configs/omap3_logic_defconfig b/configs/omap3_logic_defconfig
index 3abe888..3482538 100644
--- a/configs/omap3_logic_defconfig
+++ b/configs/omap3_logic_defconfig
@@ -53,6 +53,7 @@
 CONFIG_USB_OMAP3=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_MUSB_OMAP2PLUS=y
+CONFIG_TWL4030_USB=y
 CONFIG_USB_STORAGE=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="TI"
diff --git a/configs/omap3_zoom1_defconfig b/configs/omap3_zoom1_defconfig
index db867b1..1a915c5 100644
--- a/configs/omap3_zoom1_defconfig
+++ b/configs/omap3_zoom1_defconfig
@@ -44,5 +44,6 @@
 CONFIG_USB=y
 CONFIG_USB_MUSB_UDC=y
 CONFIG_USB_OMAP3=y
+CONFIG_TWL4030_USB=y
 CONFIG_FAT_WRITE=y
 CONFIG_OF_LIBFDT=y
diff --git a/configs/sniper_defconfig b/configs/sniper_defconfig
index c75b1ba..a3bae56 100644
--- a/configs/sniper_defconfig
+++ b/configs/sniper_defconfig
@@ -40,6 +40,7 @@
 CONFIG_USB=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_MUSB_OMAP2PLUS=y
+CONFIG_TWL4030_USB=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
 CONFIG_USB_GADGET_VENDOR_NUM=0x0451
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 13e9e49..7de4105 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -57,6 +57,8 @@
 
 source "drivers/usb/emul/Kconfig"
 
+source "drivers/usb/phy/Kconfig"
+
 source "drivers/usb/ulpi/Kconfig"
 
 comment "USB peripherals"
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
new file mode 100644
index 0000000..943a966
--- /dev/null
+++ b/drivers/usb/phy/Kconfig
@@ -0,0 +1,12 @@
+#
+# (C) Copyright 2017
+# Adam Ford, Logic PD, aford173@gmail.com
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+comment "USB Phy"
+
+config TWL4030_USB
+	bool "TWL4030 PHY"
+
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index 8abe870..3c64cb5 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -71,9 +71,6 @@
 #define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
 					115200}
 
-/* USB */
-#define CONFIG_TWL4030_USB
-
 /* USB device configuration */
 #define CONFIG_USB_DEVICE
 #define CONFIG_USB_TTY
diff --git a/include/configs/nokia_rx51.h b/include/configs/nokia_rx51.h
index 1c02a8c..00509e8 100644
--- a/include/configs/nokia_rx51.h
+++ b/include/configs/nokia_rx51.h
@@ -82,9 +82,6 @@
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_SYS_BAUDRATE_TABLE { 4800, 9600, 19200, 38400, 57600, 115200 }
 
-/* USB */
-#define CONFIG_TWL4030_USB
-
 /* USB device configuration */
 #define CONFIG_USB_DEVICE
 #define CONFIG_USBD_VENDORID		0x0421
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index 7d109a4..d3dfe60 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -62,7 +62,6 @@
 
 /* MUSB */
 #define CONFIG_USB_OMAP3
-#define CONFIG_TWL4030_USB
 
 /* USB EHCI */
 #define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	147
diff --git a/include/configs/omap3_igep00x0.h b/include/configs/omap3_igep00x0.h
index 9b815e0..76d8e13 100644
--- a/include/configs/omap3_igep00x0.h
+++ b/include/configs/omap3_igep00x0.h
@@ -41,9 +41,6 @@
 #define GPIO_IGEP00X0_BOARD_DETECTION		28
 #define GPIO_IGEP00X0_REVISION_DETECTION	129
 
-/* USB */
-#define CONFIG_TWL4030_USB		1
-
 /* USB device configuration */
 #define CONFIG_USB_DEVICE		1
 #define CONFIG_USB_TTY			1
diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h
index a4b29f1..70745a8 100644
--- a/include/configs/omap3_logic.h
+++ b/include/configs/omap3_logic.h
@@ -52,11 +52,6 @@
 /* I2C */
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* EEPROM AT24C64      */
 
-/* USB */
-
-/* TWL4030 */
-#define CONFIG_TWL4030_USB
-
 /* Board NAND Info. */
 #ifdef CONFIG_NAND
 #define CONFIG_SYS_NAND_ADDR		NAND_BASE /* physical address */
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index e5e4bc4..cc7c2fd 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -34,9 +34,6 @@
  * Hardware drivers
  */
 
-/* USB */
-#define CONFIG_TWL4030_USB		1
-
 /* USB device configuration */
 #define CONFIG_USB_DEVICE		1
 #define CONFIG_USB_TTY			1
diff --git a/include/configs/sniper.h b/include/configs/sniper.h
index 09b5a73..0ed72cf 100644
--- a/include/configs/sniper.h
+++ b/include/configs/sniper.h
@@ -110,12 +110,6 @@
 					  115200 }
 
 /*
- * USB gadget
- */
-
-#define CONFIG_TWL4030_USB
-
-/*
  * Environment
  */
 
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 2fea7ae..20d5fbe 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -4747,7 +4747,6 @@
 CONFIG_TWL4030_INPUT
 CONFIG_TWL4030_KEYPAD
 CONFIG_TWL4030_LED
-CONFIG_TWL4030_USB
 CONFIG_TWL6030_INPUT
 CONFIG_TWL6030_POWER
 CONFIG_TWR