fastboot: move to Kconfig

- move bcm23550_w1d to Kconfig
- move bcm28155_ap to Kconfig

Signed-off-by: Steve Rae <steve.rae@raedomain.com>
diff --git a/configs/bcm28155_ap_defconfig b/configs/bcm28155_ap_defconfig
index 70eb44a..eb8aa35 100644
--- a/configs/bcm28155_ap_defconfig
+++ b/configs/bcm28155_ap_defconfig
@@ -3,6 +3,13 @@
 CONFIG_TARGET_BCM28155_AP=y
 CONFIG_HUSH_PARSER=y
 # CONFIG_AUTOBOOT is not set
+CONFIG_FASTBOOT=y
+CONFIG_USB_FUNCTION_FASTBOOT=y
+CONFIG_CMD_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x80000000
+CONFIG_FASTBOOT_BUF_SIZE=0x7ff00000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=0
 CONFIG_CMD_BOOTZ=y
 # CONFIG_CMD_IMLS is not set
 CONFIG_CMD_ASKENV=y
@@ -18,6 +25,7 @@
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_BCM_UDC_OTG_PHY=y
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DWC2_OTG_PHY_BUS_WIDTH_8=y
 CONFIG_USB_GADGET_DOWNLOAD=y