Increased stack size to match I386

git-svn-id: https://svn.inf.ethz.ch/svn/lecturers/a2/trunk@6393 8c9fc860-2736-0410-a75d-ab315db34111

source/RPI.CPU.Mod

@@ -5,7 +5,7 @@ MODULE CPU;
 
 IMPORT SYSTEM;
 
-CONST StackSize* = 2048;
+CONST StackSize* = 4096;
 CONST Quantum* = 100000;
 CONST CacheLineSize* = 32;
 CONST StackDisplacement* = 0;