ARM: dts: msm: Add tune2_efuse_addr for SDM660/630

Pass tune2_efuse_addr register and bit field to be read from the register
from the device tree, which will be used to read HS_TRIM value and update
the value to QUSB2_PHY_TUNE2_REGISTER for eye-diagram test passing.

Change-Id: I64b4febf41f2e2c027c1d220e7037d8eeec27d46
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>