configs: Re-sync CONFIG_USB_MUSB_HOST

Now that CONFIG_USB_MUSB_HOST is part of Kconfig, migrate that over to
the defconfig files.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/am335x_boneblack_vboot_defconfig b/configs/am335x_boneblack_vboot_defconfig
index e5daa94..89aba13 100644
--- a/configs/am335x_boneblack_vboot_defconfig
+++ b/configs/am335x_boneblack_vboot_defconfig
@@ -26,6 +26,7 @@
 CONFIG_TIMER=y
 CONFIG_OMAP_TIMER=y
 CONFIG_USB=y
+CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_GADGET=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DOWNLOAD=y