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/socfpga_socrates_defconfig b/configs/socfpga_socrates_defconfig
index 1cf2ce0..562052c 100644
--- a/configs/socfpga_socrates_defconfig
+++ b/configs/socfpga_socrates_defconfig
@@ -29,3 +29,6 @@
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DWC2_OTG=y
 CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="ebv"
+CONFIG_G_DNL_VENDOR_NUM=0x0525
+CONFIG_G_DNL_PRODUCT_NUM=0xa4a5