imx233: normalise field on stmp3600 register map to stmp3700

Change-Id: Ic693a0616b04b865866cd203f9396fb85ef456f4
imx233: regenerate headers

Change-Id: I7be58c52dc50682787309d891b3c3105b5e80a3a
imx233: fix usb detection on stmp3700, add explaination

Change-Id: I0cc405db826385aa906279e82be31b93ebf6d523