staging: vchiq_core: fix return type of vchiq_init_state

Recent commit "staging: vchiq_core: drop vchiq_status from vchiq_init_state"
missed to change the return type in the definition. Let's fix this now.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1621105859-30215-2-git-send-email-stefan.wahren@i2se.com


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