phy: ti: j721e-wiz: Add SGMII support in WIZ driver for J721E

Enable full rate divider configuration support for J721E_WIZ_16G for SGMII.

Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230309092434.443550-1-s-vadapalli@ti.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>