net: phy: tja11xx: add support for TJA1102S

NXPs TJA1102S is a single PHY version of the TJA1102 in which one of the
PHYs is disabled.

Signed-off-by: Dimitri Fedrau <dimitri.fedrau@liebherr.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250304-tja1102s-support-v2-1-cd3e61ab920f@liebherr.com


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