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1. add lpc_keyboard_clear_buffer() function. 2. Enable P80L function, that LPC I/O port 80h data can be mapped to BRAM bank1 (offset 0x80 ~ 0xBF). Signed-off-by: Dino Li <dino.li@ite.com.tw> BRANCH=none BUG=none TEST=1. The lpc_keyboard_clear_buffer() function can clear OBF. 2. 80h port, console command port80. 3. 62h/66h port. 3-a. out 66h 80h, out 62h 00h, in 62h 02h 3-b. out 66h 81h, out 62h 01h, out 62h 55h 3-c. out 66h 80h, out 62h 01h, in 62h 55h 3-d. out 66h 80h, out 62h 02h, in 62h aah 4. Host command "version". Change-Id: Id2b5a5813cbe8edfc4ecc7b153874b819d460f43 Reviewed-on: https://chromium-review.googlesource.com/298421 Commit-Ready: Dino Li <dino.li@ite.com.tw> Tested-by: Dino Li <dino.li@ite.com.tw> Reviewed-by: Randall Spangler <rspangler@chromium.org>