yorp: enable low power mode on EC
BRANCH=none
TEST=builds. Still needs more verification for low power mode
#define CONFIG_BOARD_VERSION_CBI
#define CONFIG_CRC8
#define CONFIG_CROS_BOARD_INFO
+#define CONFIG_LOW_POWER_IDLE
+
/* Keyboard */
#define CONFIG_CMD_KEYBOARD
#define CONFIG_KEYBOARD_BOARD_CONFIG
