usb: gadget Move: CONFIG_G_DNL_* to Kconfig

And also reformat defconfigs using "make savedefconfig" rule.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
diff --git a/configs/beaver_defconfig b/configs/beaver_defconfig
index 04ecab9..a67d803 100644
--- a/configs/beaver_defconfig
+++ b/configs/beaver_defconfig
@@ -24,4 +24,7 @@
 CONFIG_USB_GADGET=y
 CONFIG_CI_UDC=y
 CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="NVIDIA"
+CONFIG_G_DNL_VENDOR_NUM=0x0955
+CONFIG_G_DNL_PRODUCT_NUM=0x701a
 CONFIG_USE_PRIVATE_LIBGCC=y