i2c: Update references to individual i2c commands

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>
diff --git a/include/configs/sacsng.h b/include/configs/sacsng.h
index f4e08c6..0ab6fc3 100644
--- a/include/configs/sacsng.h
+++ b/include/configs/sacsng.h
@@ -408,9 +408,9 @@
     "echo hostname  ${hostname}\0" \
 "ana=run adc ; run dac\0" \
 "adc=run adc-12 ; run adc-34\0" \
-"adc-12=echo ### ADC-12 ; imd.b e 81 e\0" \
-"adc-34=echo ### ADC-34 ; imd.b f 81 e\0" \
-"dac=echo ### DAC ; imd.b 11 81 5\0" \
+"adc-12=echo ### ADC-12 ; i2c md e 81 e\0" \
+"adc-34=echo ### ADC-34 ; i2c md f 81 e\0" \
+"dac=echo ### DAC ; i2c md 11 81 5\0" \
 "boot-hook=echo\0"
 
 /* What should the console's baud rate be? */