ACPI: clean up ACPI_MODULE_NAME() use

cosmetic only

Make "module name" actually match the file name.
Invoke with ';' as leaving it off confuses Lindent and gcc doesn't care.
Fix indentation where Lindent did get confused.

Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 7147b0b..edead9e 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -31,7 +31,7 @@
 #include <acpi/acpi_drivers.h>
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
-ACPI_MODULE_NAME("acpi_system")
+ACPI_MODULE_NAME("system");
 #ifdef MODULE_PARAM_PREFIX
 #undef MODULE_PARAM_PREFIX
 #endif