Staging: vt6656: incorporated ETH_ALEN macro instead of custom one

Replaced custom U_ETHER_ADDR_LEN by ETH_ALEN from <linux/if_ether.h>.
Resolved checkpatch findings on the changed lines, mostly indentation.

Signed-off-by: Andres More <more.andres@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/vt6656/aes_ccmp.c
Simple merge

diff --cc drivers/staging/vt6656/desc.h
Simple merge

diff --cc drivers/staging/vt6656/device.h
Simple merge

diff --cc drivers/staging/vt6656/dpc.c
Simple merge

diff --cc drivers/staging/vt6656/ioctl.c
Simple merge

diff --cc drivers/staging/vt6656/key.c
Simple merge

diff --cc drivers/staging/vt6656/key.h
Simple merge

diff --cc drivers/staging/vt6656/main_usb.c
Simple merge

diff --cc drivers/staging/vt6656/mib.c
Simple merge

diff --cc drivers/staging/vt6656/mib.h
Simple merge

diff --cc drivers/staging/vt6656/rxtx.c
Simple merge

diff --cc drivers/staging/vt6656/rxtx.h
Simple merge

diff --cc drivers/staging/vt6656/tether.c
Simple merge

diff --cc drivers/staging/vt6656/tether.h
Simple merge

diff --cc drivers/staging/vt6656/wctl.c
Simple merge

diff --cc drivers/staging/vt6656/wmgr.c
Simple merge

diff --cc drivers/staging/vt6656/wpa2.c
Simple merge

diff --cc drivers/staging/vt6656/wpactl.c
Simple merge