clk: rockchip: rk3568: Add PLL rate for 101MHz

This patch adds PLL setting for not so common resolution as 1920x720-50.00,
which can be set using 2500 horizontal signals and 808 vertical.

Signed-off-by: Alibek Omarov <a1ba.omarov@gmail.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Link: https://lore.kernel.org/r/20230614134716.1055862-1-a1ba.omarov@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>