ANDROID: abi_gki_aarch64_qcom: Update symbol list

Symbols updated to QCOM abi symbol list for Marvell Phy and Mdio Bus Mux:
  ethnl_cable_test_amplitude
  ethnl_cable_test_pulse
  ethnl_cable_test_step
  genphy_check_and_restart_aneg
  genphy_read_status_fixed
  of_mdio_find_bus
  phy_config_aneg
  phy_gbit_fibre_features

Bug: 335414016
Bug: 336924764
Change-Id: I1fa732935cb1a33bcde782fdfe38f5b3fcfae4cb
Signed-off-by: Andre Ding <quic_shuangxi@quicinc.com>
(cherry picked from commit 692e3553)