update travis file

.travis.yml

@@ -40,17 +40,24 @@ matrix:
   - env: ARCH=metag
   - env: ARCH=microblazeel
   - env: ARCH=microblazebe
-  - env: ARCH=mips
-  - env: ARCH=mipssf
-  - env: ARCH=mipsel
-  - env: ARCH=mipselsf
+  - env: ARCH=mips32
+  - env: ARCH=mips32sf
+  - env: ARCH=mips32el
+  - env: ARCH=mips32elsf
+  - env: ARCH=mips32r6
+  - env: ARCH=mips32r6el
   - env: ARCH=mips64
   - env: ARCH=mips64n32
   - env: ARCH=mips64n64
   - env: ARCH=mips64el
   - env: ARCH=mips64eln32
   - env: ARCH=mips64eln64
+  - env: ARCH=mips64r6n32
+  - env: ARCH=mips64r6n64
+  - env: ARCH=mips64r6eln32
+  - env: ARCH=mips64r6eln64
   - env: ARCH=nds32le
+  - env: ARCH=nios2
   - env: ARCH=or1k
   - env: ARCH=ppc
   - env: ARCH=ppcsf