Commonize function names of SGMII calibration functions of QCA955x added
for Meraki MR18, to use them for NEC Aterm series based on QCA9558 as
well.
Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16297
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>