Detect the MIPS R2 vectored interrupt, external interrupt controller
options and the precense of the MT ASE.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h
index 89aac1e..a7a43ff 100644
--- a/include/asm-mips/mipsregs.h
+++ b/include/asm-mips/mipsregs.h
@@ -528,6 +528,7 @@
 
 #define MIPS_CONF3_TL		(_ULCAST_(1) <<  0)
 #define MIPS_CONF3_SM		(_ULCAST_(1) <<  1)
+#define MIPS_CONF3_MT		(_ULCAST_(1) <<  2)
 #define MIPS_CONF3_SP		(_ULCAST_(1) <<  4)
 #define MIPS_CONF3_VINT		(_ULCAST_(1) <<  5)
 #define MIPS_CONF3_VEIC		(_ULCAST_(1) <<  6)