Create a proper target machine for PNaCl.

lib/Target/PNaCl/TargetInfo/Makefile

Index: lib/Target/PNaCl/TargetInfo/Makefile
diff --git a/lib/Target/ARM/MCTargetDesc/Makefile b/lib/Target/PNaCl/TargetInfo/Makefile
similarity index 79%
copy from lib/Target/ARM/MCTargetDesc/Makefile
copy to lib/Target/PNaCl/TargetInfo/Makefile
index 448ed9df2bff9e9633c7c6f1ab5e33fa9ac2e5c2..3129a35108e1420911037b9a7bb0e4cab872a409 100644
--- a/lib/Target/ARM/MCTargetDesc/Makefile
+++ b/lib/Target/PNaCl/TargetInfo/Makefile
@@ -1,4 +1,4 @@
-##===- lib/Target/ARM/TargetDesc/Makefile ------------------*- Makefile -*-===##
+##===- lib/Target/PNaCl/TargetDesc/Makefile ------------------*- Makefile -*-===##
 #
 #                     The LLVM Compiler Infrastructure
 #
@@ -8,9 +8,9 @@
 ##===----------------------------------------------------------------------===##
 
 LEVEL = ../../../..
-LIBRARYNAME = LLVMARMDesc
+LIBRARYNAME = LLVMPNaClInfo
+
+include $(LEVEL)/Makefile.common
 
 # Hack: we need to include 'main' target directory to grab private headers
 CPP.Flags += -I$(PROJ_OBJ_DIR)/.. -I$(PROJ_SRC_DIR)/..
-
-include $(LEVEL)/Makefile.common