Support some features for the HIBMCGE driver

---
ChangeLog:
v2 -> v3:
  - Use fixed_phy to re-implement the no-phy scenario, suggested by Andrew Lunn
  v2: https://lore.kernel.org/all/20250623034129.838246-1-shaojijie@huawei.com/
v1 -> v2:
  - Fix code formatting errors, reported by Jakub Kicinski
  v1: https://lore.kernel.org/all/20250619144423.2661528-1-shaojijie@huawei.com/
---

Jijie Shao (3):
  net: hibmcge: support scenario without PHY
  net: hibmcge: adjust the burst len configuration of the MAC controller
    to improve TX performance.
  net: hibmcge: configure FIFO thresholds according to the MAC
    controller documentation

 .../net/ethernet/hisilicon/hibmcge/hbg_hw.c   | 57 +++++++++++++++++++
 .../net/ethernet/hisilicon/hibmcge/hbg_mdio.c | 38 +++++++++++++
 .../net/ethernet/hisilicon/hibmcge/hbg_reg.h  |  8 +++
 3 files changed, 103 insertions(+)

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2.33.0