icE1usb fw: Misc cosmetic cleanup in e1.{c,h} / usb_e1.c

Moving things around, comments, spacing, ... nothing functional.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: Icc2a6ef6b03c89dd92e661a01d219e42dbf7067d
3 files changed