[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS/Demo/ColdFire_MCF52259_CodeWarrior/stdlib.h

@@ -0,0 +1,79 @@
+/*
+ * File:		stdlib.h
+ * Purpose:		Function prototypes for standard library functions
+ *
+ * Notes:
+ */
+
+#ifndef _STDLIB_H
+#define _STDLIB_H
+
+/********************************************************************
+ * Standard library functions
+ ********************************************************************/
+
+int
+isspace (int);
+
+int
+isalnum (int);
+
+int
+isdigit (int);
+
+int
+isupper (int);
+
+int
+strcasecmp (const char *, const char *);
+
+int
+strncasecmp (const char *, const char *, int);
+
+unsigned long
+strtoul (char *, char **, int);
+
+int
+strlen (const char *);
+
+char *
+strcat (char *, const char *);
+
+char *
+strncat (char *, const char *, int);
+
+char *
+strcpy (char *, const char *);
+
+char *
+strncpy (char *, const char *, int);
+
+int
+strcmp (const char *, const char *);
+
+int
+strncmp (const char *, const char *, int);
+
+void *
+memcpy (void *, const void *, unsigned);
+
+void *
+memset (void *, int, unsigned);
+
+void
+free (void *);
+ 
+void *
+malloc (unsigned);
+
+#define RAND_MAX 32767
+
+int
+rand (void);
+
+void
+srand (int);
+
+/********************************************************************/
+
+#endif