Don't allow travis to recurse through submodules

.travis.yml

@@ -1,3 +1,5 @@
+git:
+  submodules: false
 language: scala
 # run on new infrastructure
 sudo: false
@@ -6,16 +8,6 @@ cache:
   directories:
     $HOME/.ivy2
     regression/install
-    chisel/target
-    context-dependent-environments/target
-    groundtest/target
-    hardfloat/target
-    junctions/target
-    project/project/target
-    project/target
-    rocket/target
-    target
-    uncore/target
 
 # packages needed to build riscv-tools
 addons:
@@ -60,7 +52,6 @@ branches:
     - hurricane
 
 before_install:
-  - rm riscv-tools/.travis.yml
   - export CXX=g++-4.8 CC=gcc-4.8
 
 script:

junctions

@@ -1 +1 @@
-Subproject commit c02574d2fa6710978642bce85dfda95505eb8c8a
+Subproject commit f1c609d74af26bf1df4bfcc90c9db4c7c08224ff

regression/Makefile

@@ -81,6 +81,7 @@ stamps/other-submodules.stamp:
 $(RISCV)/install.stamp:
 	mkdir -p $(dir $@)
 	git -C $(abspath $(TOP)) submodule update --init riscv-tools
+	rm $(abspath $(TOP))/riscv-tools/.travis.yml
 	git -C $(abspath $(TOP))/riscv-tools submodule update --init --recursive riscv-gnu-toolchain
 	git -C $(abspath $(TOP))/riscv-tools submodule update --init --recursive riscv-isa-sim
 	git -C $(abspath $(TOP))/riscv-tools submodule update --init --recursive riscv-fesvr