* gas/config/tc-tic4x.c: Remove c4x_pseudo_ignore function.

	* gas/config/tc-tic4x.c: Remove c4x_pseudo_ignore function.
	  (c4x_operands_match): Added check for 8-bits LDF insn. Give
	  warning when using constant direct bigger than 2^16. Add the new
	  arguments.
	* include/opcode/tic4x.h: Major rewrite of entire file. Define
	  instruction classes, and put each instruction into a class.
	* opcodes/tic4x-dis.c: (c4x_print_op): Add support for the new
	  argument format. Fix bug in 'N' register printer.