ARM: dts: msm: Support QCA8337 RGMII port0 in sdxprairie

Add support for QCA8337 RGMII port0 in sdxprairie.

Change-Id: I00752535610fd932f0b32c1c49cf4f9887ec439b
Acked-by: Rahul Kawadgave <rahulak@qti.qualcomm.com>
Signed-off-by: crao <crao@codeaurora.org>
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>