net: phy: qcom: qca808x: Support PHY counter

Enable CRC checking for received and transmitted frames, and configure
counters to clear after being read within config_init() for accurate
counter recording. Additionally, add PHY counter operations and integrate
shared functions.

Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
Link: https://patch.msgid.link/20250715-qcom_phy_counter-v3-2-8b0e460a527b@quicinc.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>