[UCRT] Add CMake files

sdk/lib/ucrt/stdio/stdio.cmake

@@ -0,0 +1,52 @@
+
+list(APPEND UCRT_STDIO_SOURCES
+    stdio/clearerr.cpp
+    stdio/closeall.cpp
+    stdio/fclose.cpp
+    stdio/fdopen.cpp
+    stdio/feoferr.cpp
+    stdio/fflush.cpp
+    stdio/fgetc.cpp
+    stdio/fgetpos.cpp
+    stdio/fgets.cpp
+    stdio/fgetwc.cpp
+    stdio/fileno.cpp
+    stdio/fopen.cpp
+    stdio/fputc.cpp
+    stdio/fputs.cpp
+    stdio/fputwc.cpp
+    stdio/fputws.cpp
+    stdio/fread.cpp
+    stdio/freopen.cpp
+    stdio/fseek.cpp
+    stdio/fsetpos.cpp
+    stdio/ftell.cpp
+    stdio/fwrite.cpp
+    stdio/gets.cpp
+    stdio/gettemppath.cpp
+    stdio/getw.cpp
+    stdio/input.cpp
+    stdio/ncommode.cpp
+    stdio/openfile.cpp
+    stdio/output.cpp
+    stdio/printf_count_output.cpp
+    stdio/puts.cpp
+    stdio/putw.cpp
+    stdio/putws.cpp
+    stdio/rewind.cpp
+    stdio/rmtmp.cpp
+    stdio/setbuf.cpp
+    stdio/setmaxf.cpp
+    stdio/setvbuf.cpp
+    stdio/stream.cpp
+    stdio/tempnam.cpp
+    stdio/tmpfile.cpp
+    stdio/ungetc.cpp
+    stdio/ungetwc.cpp
+    stdio/_filbuf.cpp
+    stdio/_file.cpp
+    stdio/_flsbuf.cpp
+    stdio/_freebuf.cpp
+    stdio/_getbuf.cpp
+    stdio/_sftbuf.cpp
+)