defconfig: msm: enable CONFIG_USB_RTL8152 for kona target

Enable config for Realtek RTL8152/RTL8153 based USB Ethernet
Adapters for kona target. This is to align it with required
android configuration.

Change-Id: I66dc1b59baffeb88f7c23aa3cdefa58ec88d0a0b
Signed-off-by: Prateek Sood <prsood@codeaurora.org>