drivers: usb: core: {file,hub,sysfs,usb}.c: Whitespace fixes

including:

- removing of trailing whitespace
- removing spaces before array indexing (foo [] to foo[])
- reindention of a switch-case block
- spaces to tabs

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/usb/core/file.c
Simple merge

diff --cc drivers/usb/core/hub.c
Simple merge

diff --cc drivers/usb/core/sysfs.c
Simple merge

diff --cc drivers/usb/core/usb.c
Simple merge