module_param: make bool parameters really bool (drivers & misc)

module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c
index 07f7fea..e50e31a 100644
--- a/drivers/acpi/pci_slot.c
+++ b/drivers/acpi/pci_slot.c
@@ -34,7 +34,7 @@
 #include <acpi/acpi_drivers.h>
 #include <linux/dmi.h>
 
-static int debug;
+static bool debug;
 static int check_sta_before_sun;
 
 #define DRIVER_VERSION 	"0.1"