McHCK USB WORKS!!

- McHCK uses FLL instead of the PLL for USB (startup, not usb init)
- Added optional debug for the pjrc USB module
- Cleaned up compiler flags

Lib/mk20dx128.ld

@@ -48,6 +48,7 @@ SECTIONS
 		*(.rodata*)
 		. = ALIGN(4);
 		KEEP(*(.init))
+
 		. = ALIGN(4);
 		__preinit_array_start = .;
 		KEEP (*(.preinit_array))
@@ -56,6 +57,7 @@ SECTIONS
 		KEEP (*(SORT(.init_array.*)))
 		KEEP (*(.init_array))
 		__init_array_end = .;
+
 	} > FLASH = 0xFF
 
 	.ARM.exidx : {