ARM: dts: msm: Update EMAC version in sdxpoorwills-v2

Update EMAC version for sdxpoorwills-v2.

Change-Id: I2ffb74c88eb65b73345869349b8a83a4ee423e88
CRs-Fixed: 2297461
Acked-by: Rahul Kawadgave <rahulak@qti.qualcomm.com>
Signed-off-by: Sunil Paidimarri <hisunil@codeaurora.org>