net: phy: microchip_rds_ptp : Add rds ptp library for Microchip phys

Add rds ptp library for Microchip phys
1-step and 2-step modes are supported, over Ethernet and UDP(ipv4, ipv6)

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Signed-off-by: Divya Koppera <divya.koppera@microchip.com>
Link: https://patch.msgid.link/20241219123311.30213-3-divya.koppera@microchip.com


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