Add support for LAN8842 which supports industry-standard SGMII.
While add this the first 3 patches in the series cleans more the
driver, they should not introduce any functional changes.

v4->v5:
- implement inband_caps and config_inband ops
- remove unused defines
- use reverse x-mas tree in lan8842_get_stat function

v3->v4:
- add missing patch, the first patch was drop by mistake in previous
  version
- update lanphy_modify_page_reg to print err in readable form and outside
  of lock

v2->v3:
- add better defines for page numbers
- fix the statis->tx_errors, it was reading the rx_errors by mistake
- update lanphy_modify_page_reg to keep lock over all transactions

v1->v2:
- add the first 3 patches to clean the driver
- drop fast link failure support
- implement reading the statistics in the new way

Horatiu Vultur (4):
  net: phy: micrel: Start using PHY_ID_MATCH_MODEL
  net: phy: micrel: Introduce lanphy_modify_page_reg
  net: phy: micrel: Replace hardcoded pages with defines
  net: phy: micrel: Add support for lan8842

 drivers/net/phy/micrel.c   | 786 ++++++++++++++++++++++++++-----------
 include/linux/micrel_phy.h |   1 +
 2 files changed, 555 insertions(+), 232 deletions(-)

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2.34.1