* avr-dis.c (reg_fmul_d): New. Extract destination register from
FMUL instruction.
(reg_fmul_r): New. Extract source register from FMUL instruction.
(reg_muls_d): New. Extract destination register from MULS instruction.
(reg_muls_r): New. Extract source register from MULS instruction.
(reg_movw_d): New. Extract destination register from MOVW instruction.
(reg_movw_r): New. Extract source register from MOVW instruction.
(print_insn_avr): Handle MOVW, MULS, MULSU, FMUL, FMULS, FMULSU,
EICALL, EIJMP, LPM r,Z, ELPM r,Z, SPM, ESPM instructions.