clk: imx: fracn-gppll: Add 300MHz freq support for imx9

Add 300MHz frequency config support on i.MX93 PLL.

Reviewed-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230403095300.3386988-5-peng.fan@oss.nxp.com
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>

Author: JackyBai

drivers/clk/imx/clk-fracn-gppll.c

@@ -85,7 +85,8 @@ static const struct imx_fracn_gppll_rate_table fracn_tbl[] = {
 	PLL_FRACN_GP(484000000U, 121, 0, 1, 0, 6),
 	PLL_FRACN_GP(445333333U, 167, 0, 1, 0, 9),
 	PLL_FRACN_GP(400000000U, 200, 0, 1, 0, 12),
-	PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10)
+	PLL_FRACN_GP(393216000U, 163, 84, 100, 0, 10),
+	PLL_FRACN_GP(300000000U, 150, 0, 1, 0, 12)
 };
 
 struct imx_fracn_gppll_clk imx_fracn_gppll = {