* config/tc-msp430.c (OPTION_MOVE_DATA): Define.

	* config/tc-msp430.c (OPTION_MOVE_DATA): Define.
	(move_data): New variable.
	(md_parse_option): Parse -md.
	(msp430_section): New function.  Catch references to the .bss or
	.data sections and generate a special symbol for use by the libcrt
	library.
	(md_pseudo_table): Intercept .section directives.
	(md_longopt): Add -md
	(md_show_usage): Likewise.
	(msp430_operands): Generate a warning message if a NOP is inserted
	into the instruction stream.
	* doc/c-msp430.texi (node MSP430 Options): Document -md option.