[stm32f429i-discovery] Moved Chucks remaining examples to the correct directory.

Additionally added Chucks readme to the stm32f429i-discovery board
readme.

examples/stm32/f4/stm32f429i-discovery/sdram/console.h

@@ -0,0 +1,13 @@
+/*
+ * Our simple console definitions
+ */
+
+void console_putc(char c);
+char console_getc(int wait);
+void console_puts(char *s);
+int console_gets(char *s, int len);
+void console_setup(void);
+
+/* this is for fun, if you type ^C to this example it will reset */
+#define RESET_ON_CTRLC
+