acpigen: Add helpers for word/dword output

Add helpers for writing word and dword values in acpigen and use them
throughout the file to clean things up:

acpigen_emit_word - write raw word
acpigen_emit_dword - write raw dword
acpigen_write_word - write word opcode and value

Change-Id: Ia758d4dd25d0ae5b31be7d51b33866dddd96a473
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://review.coreboot.org/14792
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
2 files changed