ARM: dts: msm: Put secondary QUSB2 PHY in reset state for SDM660

Add secondary QUSB2 PHY node and put it in reset state for SDM660
to avoid leakage current issue.

Change-Id: Iab057c22268408f90ac59f9dc4b0d538edd819b9
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>