1. 198fd35 boards: Remove empty BOARD_SPECIFIC_OPTIONS by Tom Rini · Mon Mar 04 10:26:17 2024 -0500
  2. b20a8dac rockchip: rk3399: Add support for chromebook_kevin by Marty E. Plummer · Fri Dec 24 16:43:46 2021 +0300
  3. 8fbf992 rockchip: Add support for chromebook_bob by Simon Glass · Mon Jan 21 14:53:36 2019 -0700