Detect TI compiler version with its id

Decode decimal digits from __TI_COMPILER_VERSION__ to compute version
number components.  See documentation at:

  http://processors.wiki.ti.com/index.php/Refer_to_Compiler_Version_in_Your_Source
  http://www.ti.com/general/docs/lit/getliterature.tsp?literatureNumber=spru187o
  http://sourceforge.net/p/predef/wiki/Compilers/#texas-instruments-cc-compiler

Modules/CMakeCCompilerId.c.in

@@ -108,6 +108,10 @@
 
 #elif defined(__TI_COMPILER_VERSION__)
 # define COMPILER_ID "TI_DSP"
+  /* __TI_COMPILER_VERSION__ = VVVRRRPPP */
+# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000)
+# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000   % 1000)
+# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__        % 1000)
 
 #elif defined(__TINYC__)
 # define COMPILER_ID "TinyCC"

Modules/CMakeCXXCompilerId.cpp.in

@@ -110,6 +110,10 @@
 
 #elif defined(__TI_COMPILER_VERSION__)
 # define COMPILER_ID "TI_DSP"
+  /* __TI_COMPILER_VERSION__ = VVVRRRPPP */
+# define COMPILER_VERSION_MAJOR DEC(__TI_COMPILER_VERSION__/1000000)
+# define COMPILER_VERSION_MINOR DEC(__TI_COMPILER_VERSION__/1000   % 1000)
+# define COMPILER_VERSION_PATCH DEC(__TI_COMPILER_VERSION__        % 1000)
 
 #elif defined(__SCO_VERSION__)
 # define COMPILER_ID "SCO"