toshiba_acpi: fix section mismatch in allyesconfig

Fix section error (allyesconfig).  The exit function is called from init,
so functions that are called by the exit function cannot be marked __exit.

WARNING: drivers/built-in.o(.text+0xe5bc6): Section mismatch: reference to .exit.
text: (between 'toshiba_acpi_exit' and 'hci_raw')
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/acpi/toshiba_acpi.c

@@ -524,7 +524,7 @@ static acpi_status __init add_device(void)
 	return AE_OK;
 }
 
-static acpi_status __exit remove_device(void)
+static acpi_status remove_device(void)
 {
 	ProcItem *item;