net: phy: realtek: Group RTL82* macro definitions

Group macro definitions by PHY in lexicographic order. Within each PHY
block, definitions are order by page number and then register number.

Signed-off-by: Michael Klein <michael@fossekall.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250504172916.243185-5-michael@fossekall.de


Signed-off-by: Paolo Abeni <pabeni@redhat.com>