The individual i2c commands imd, imm, inm, imw, icrc32, iprobe, iloop,
and isdram are no longer available so all references to them have been
updated to the new form of "i2c <cmd>".
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Add the i2c_init() function so that the tsi108_i2c.c driver fits
U-Boot's standard I2C API which is utilized by cmd_i2c.c
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>