Updating default.xml

Change-Id: I88f2c937ab0374c1c7aa96252b007bc26286af9f

default.xml

@@ -20,7 +20,7 @@
   <project name="riscv-pk" path="tools/riscv-pk" remote="sel4proj" revision="db937e995b09d343fb7146c447b0780ab1dca66b" upstream="fix-32bit"/>
   <project name="seL4.git" path="kernel" revision="bc4580c64e085c6317a373bb2fbe0772d75ba383" upstream="master"/>
   <project name="seL4_libs.git" path="projects/seL4_libs" revision="8d002567af0ca425b6ce785b51e73e7d97d65df3" upstream="master"/>
-  <project name="seL4_tools.git" path="tools/seL4" revision="7b492f40e64ab1fdba83263070445fba2d651b34" upstream="master">
+  <project name="seL4_tools.git" path="tools/seL4" revision="7a8015f4b8372ca16954804ec48f0866a17296af" upstream="master">
     <linkfile dest="CMakeLists.txt" src="cmake-tool/default-CMakeLists.txt"/>
     <linkfile dest="init-build.sh" src="cmake-tool/init-build.sh"/>
   </project>