staging: vchiq_core: Get the rid off curly braces around cases

Additional curly braces around cases are a bit harder to read. So
change the scope of service quota to get the rid off those braces.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1618164700-21150-4-git-send-email-stefan.wahren@i2se.com


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