• fix: no need wait for changing to preop when rescanning

• feat: add ec_htimer_update for dc sync with dc_ref_clock
• feat: add slave table for some slaves
• feat: support single domain and multi domain
• feat: add new perf tool
• refactor: move netdev stats into netdev struct
• refactor: caculate systime offset after clearing receive time
• update(ec_cmd): remove unused struct
• update(port/hpmicro): remove hpm eth phy code, using cherryphy only
• update: remove ununsed system time diff monitor
• update: remove ununsed has_dc_system_time
• update: remove ec_timestamp_get_time_us api, using ec_timestamp_get_time_ns for all
• update: move ec_start/ec_stop cmd into ec_cmd.c
• update: move pdo callback to ec_master_receive, do not block ec_master_send
• update(slave): add check for data sm
• update: record send & recv exec time

• update: support slaves without COE
• update(hpmicro): add csv & csp demo
• fix(hpmicro): fix txbuffer mapping in hpm67, use ETH_ALEN for mac array
• fix(dc_ref_clock): null pointer dereference in ec_master_find_dc_ref_clock @coinlockerbaby
• fix(sii): correct bitmask check in EEPROM error detection @coinlockerbaby
• fix(slave): some slaves do not support 1c12 & 1c13 with 2 bytes

• feat(phy): support multi ports
• feat(port): add ra8p1 support
• feat: add pdo callback
• feat: add rescan request
• update: reduce sm info memory, change static to dynamic
• update: add delay before phy init
• update: update esc register
• update: add step to record error, change start_time u32 to u64
• update: stop timer after slaves are in preop
• update: change netdev index type to enum
• update(eoe): update eoe code
• update(osal): add mq api
• fix(port/hpm): get txbuf from desc
• fix(threadx): fix thread delete
• docs: update readme & rst

CherryECAT first release.