GP-0: fix for invalid compilerid 'clang'

Ghidra/Debug/Debugger-agent-lldb/src/main/py/src/ghidralldb/arch.py

@@ -120,10 +120,10 @@ default_compiler_map = {
     'linux': 'gcc',
     'netbsd': 'gcc',
     'ps4': 'gcc',
-    'ios': 'clang',
-    'macosx': 'clang',
-    'tvos': 'clang',
-    'watchos': 'clang',
+    'ios': 'gcc',
+    'macosx': 'gcc',
+    'tvos': 'gcc',
+    'watchos': 'gcc',
     'windows': 'Visual Studio',
     # This may seem wrong, but Ghidra cspecs really describe the ABI
     'Cygwin': 'Visual Studio',