ACPICA: Miscellaneous lint changes

Unused variables/headers, casting, etc.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/acpica/nssearch.c

@@ -45,6 +45,10 @@
 #include "accommon.h"
 #include "acnamesp.h"
 
+#ifdef ACPI_ASL_COMPILER
+#include "amlcode.h"
+#endif
+
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nssearch")