spi: fix comment/printk typos in spi

Correct spelling typo in drivers/spi

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --cc drivers/spi/spi-au1550.c
Simple merge

diff --cc drivers/spi/spi-bfin-sport.c
Simple merge

diff --cc drivers/spi/spi-oc-tiny.c
Simple merge

diff --cc drivers/spi/spi-ppc4xx.c
Simple merge

diff --cc drivers/spi/spi-topcliff-pch.c
Simple merge