[MIPS] Add thread-pointer to data addressing register list.

src/trusted/validator_mips/ncvalidate.cc

Index: src/trusted/validator_mips/ncvalidate.cc
diff --git a/src/trusted/validator_mips/ncvalidate.cc b/src/trusted/validator_mips/ncvalidate.cc
index 8696059ae7ea437a839c2e116bd063429152278a..4087f0dfd94f51cdbcf34286cfb9154f43a24279 100644
--- a/src/trusted/validator_mips/ncvalidate.cc
+++ b/src/trusted/validator_mips/ncvalidate.cc
@@ -17,10 +17,7 @@
 
 using nacl_mips_val::SfiValidator;
 using nacl_mips_val::CodeSegment;
-using nacl_mips_dec::Register;
 using nacl_mips_dec::RegisterList;
-using nacl_mips_dec::kRegisterStack;
-using nacl_mips_dec::kRegListReserved;
 using std::vector;
 
 
@@ -90,8 +87,8 @@ int NCValidateSegment(uint8_t *mbase, uint32_t vbase, size_t size,
       1U * NACL_DATA_SEGMENT_START,    // bytes of code space
       1U * (1 << NACL_MAX_ADDR_BITS),  // bytes of data space // keep in sync w/
                                        // SConstruct: irt_compatible_rodata_addr
-      kRegListReserved,                // read only register(s)
-      RegisterList(kRegisterStack));   // data addressing register(s)
+      RegisterList::ReservedRegs(),    // read only register(s)
+      RegisterList::DataAddrRegs());   // data addressing register(s)
   bool success = false;
 
   vector<CodeSegment> segments;