The FSF address has changed in the past. Instead of updating it
each time the address changes, just drop it completely treewide.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
kfifo currently only works with dynamically allocated fifos.
Change the currently unused kfifo_init to take a preallocated
fifo. This allows for statically initialized fifos.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>