usb_device: Fix up whitespace

Drop unnecessary spaces and indent with tabs, as per the coding style.

TEST=Build with `make distclean && make VERSION=none -j` with and
     without this patch, the flashrom executable does not change.

Change-Id: I200ace750dbe3c8d99f792d70a85b2ebd4e5b0ce
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/51115
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2 files changed