i2c-msm-v2: change pinctrl state names

standard pinctrl state names are automatically handled
by the framework. In order to avoid this, names are
changed to i2c specific names.

Change-Id: I2bed47d263d374c77a9bc2c583918958ea4ad3c4
Signed-off-by: Gilad Avidov <gavidov@codeaurora.org>