defconfig: arm: msm: Enable Micrel PHY and PTP clock support

Enable PTP clock and Micrel PHY support for EMAC.

Change-Id: Ib20b74e4716d49127e86f2801b64713cde1a3382
CRs-Fixed: 2260352
Acked-by: Nisha Menon <nmenon@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>