generated character category data, Unicode 10.0

Table categories.t and tag enumeration categories.cat provide
character class data for most of the isw* functions.
These data are generated from Unicode data.

newlib/libc/ctype/categories.cat

@@ -0,0 +1,29 @@
+  CAT_Cc,
+  CAT_Cf,
+  CAT_Cs,
+  CAT_LC,
+  CAT_Ll,
+  CAT_Lm,
+  CAT_Lo,
+  CAT_Lt,
+  CAT_Lu,
+  CAT_Mc,
+  CAT_Me,
+  CAT_Mn,
+  CAT_Nd,
+  CAT_Nl,
+  CAT_No,
+  CAT_Pc,
+  CAT_Pd,
+  CAT_Pe,
+  CAT_Pf,
+  CAT_Pi,
+  CAT_Po,
+  CAT_Ps,
+  CAT_Sc,
+  CAT_Sk,
+  CAT_Sm,
+  CAT_So,
+  CAT_Zl,
+  CAT_Zp,
+  CAT_Zs,