The Devkit8000 uses the cost reduced variant tps65930 of the twl4030.
The TPS65930 only has vdd1, vdd2, vpll1, vio, vmmc1, vdac and vaux2.

vaux2 is not used on Devkit8000.
Signed-off-by: NThomas Weber <weber@corscience.de>
Signed-off-by: NTony Lindgren <tony@atomide.com>