driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place

For some reason, the drivers/base/class.c file still had the "old style"
of exports, at the end of the file.  Move the exports to the proper
location, right after the function, to be correct.

Reviewed-by: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20230214144117.158956-1-gregkh@linuxfoundation.org


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