Clock Driver follow up

[akku1139]

• add plls

enum mt65xx_pll_id {
    MT65XX_ARMPLL                       = 0,
    MT65XX_MAINPLL                      = 1,
    MT65XX_IPLL                         = 2,
    MT65XX_UPLL                         = 3,
    MT65XX_MDPLL                        = 4,
    MT65XX_TVDDS                        = 5,
    MT65XX_WPLL                         = 6,
    MT65XX_AUDPLL                       = 7,
    MT65XX_MEMPLL                       = 8,
    MT65XX_PLL_COUNT                    = 9,
};

https://github.com/bq/aquaris-5/blob/bc1d0d0e35c969670e2d869001be944ad0c9c5e5/mediatek/platform/mt6589/kernel/drivers/met/platform/mt6589/mt_clkmgr.h#L483-L492