Since commit d02be21d30 ("i2c: imx_lpi2c: add ipg clk") getting
I2C clocks doesn't work. Add I2C IPG clock IDs to related switch
statements to fix it.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>