staging: vchiq_arm: fix quoted strings split across lines

Quoted strings should not be split across lines. As put it in
Documentation/process/coding-style.rst: "never break user-visible
strings such as printk messages because that breaks the ability to grep
for them."

Reported by checkpatch.pl

Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20210919215914.539805-6-gascoar@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>