ACPI: add FW_BUG to OSI(Linux) message

Linux-2.6.22 initiated a dmesg complaint when it saw BIOS that invoked
OSI(Linux).  Linux-2.6.23 continued that complaint and started our
policy of ignoring the bogus BIOS request.

Past-time for Linux to label that complaint with FW_BUG.

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 90a8e86..d3bed219 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -144,7 +144,7 @@
 {
 	if (!strcmp("Linux", interface)) {
 
-		printk(KERN_NOTICE PREFIX
+		printk(KERN_NOTICE FW_BUG PREFIX
 			"BIOS _OSI(Linux) query %s%s\n",
 			osi_linux.enable ? "honored" : "ignored",
 			osi_linux.cmdline ? " via cmdline" :