debug.c is not a module, so remove the module_exit function, since it
will never be called.
Also move the EXPORT_SYMBOL statements to the functions they belong to.
Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>