ram: rk3399: Add tsel control clock drive

ram: rk3399: Add tsel control clock drive

tsel contrl clock drives are required to configure PHY
929, 939 controls drive settings.

Add support for these control clock for all dramtype
sdrams.

Thse control clock drives are configure via tsel_ckcs_select_p
and tsel_ckcs_select_n variables.

tsel_ckcs_select_n is PHY_DRV_ODT_34_3 value where as
tsel_ckcs_select_p is retrived from IO settings for lpddr4
and rest uses PHY_DRV_ODT_34_3.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Reviewed-by: Kever Yang <Kever.yang@rock-chips.com>