ARM: bcm2835: enable USB_DWC2_HOST in defconfig

It broke when host was moved into a separate module, in 47a1685f ("usb:
dwc2/s3c-hsotg: move s3c-hsotg into dwc2 directory"),
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/bcm2835_defconfig

@@ -98,6 +98,7 @@ CONFIG_LEDS_TRIGGER_TRANSIENT=y
 CONFIG_LEDS_TRIGGER_CAMERA=y
 CONFIG_STAGING=y
 CONFIG_USB_DWC2=y
+CONFIG_USB_DWC2_HOST=y
 # CONFIG_IOMMU_SUPPORT is not set
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y