McHCK now working with UART.

- Lots of code cleanup for the intialization of all arm chips
- Added more gcc flags to help with debugging linker and memory map
- Fixed UART initialization for the smaller MCHCK mk20dx128 (different pin mux)

Lib/mk20dx128vlf5.ld

@@ -1,7 +1,34 @@
-/* -*- mode: ld-script; -*- */
-/*
- * Linker script for MK20DX128VLF5
+/* Teensyduino Core Library
+ * http://www.pjrc.com/teensy/
+ * Copyright (c) 2013 PJRC.COM, LLC.
+ * Modifications by Jacob Alexander 2014 for use with McHCK
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * 1. The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * 2. If the Software is incorporated into a build system that allows
+ * selection among a list of target devices, then similar target
+ * devices manufactured by PJRC.COM must be included in the list of
+ * target devices and selectable in the same manner.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
  */
+
 MEMORY
 {
 	FLASH (rx) : ORIGIN = 3K, LENGTH = 128K-3K
@@ -17,18 +44,9 @@ SECTIONS
 		KEEP(* (.vectors))
 		*(.startup*)
 		*(.text*)
-		*(.rodata*)
 		. = ALIGN(4);
 		KEEP(*(.init))
-		. = ALIGN(4);
-		__preinit_array_start = .;
-		KEEP (*(.preinit_array))
-		__preinit_array_end = .;
-		__init_array_start = .;
-		KEEP (*(SORT(.init_array.*)))
-		KEEP (*(.init_array))
-		__init_array_end = .;
-	} > FLASH = 0xFF
+	} > FLASH
 
 	.ARM.exidx :
 	{