configs: socfpga: convert i2c to dm

configs/socfpga_arria5_defconfig

configs/socfpga_cyclone5_defconfig

configs/socfpga_dbm_soc1_defconfig

configs/socfpga_de0_nano_soc_defconfig

configs/socfpga_de10_nano_defconfig

configs/socfpga_de1_soc_defconfig

configs/socfpga_is1_defconfig

configs/socfpga_mcvevk_defconfig

configs/socfpga_sockit_defconfig

configs/socfpga_socrates_defconfig

configs/socfpga_sr1500_defconfig

include/configs/socfpga_common.h