Fix allyesconfig build fail caused by mediatek drivers

[ujfalusi]

allyesconfig fails with:

  ERROR: modpost: "sof_of_pm" [sound/soc/sof/mediatek/mt8365/snd-sof-mt8365.ko] undefined!
    ld.lld: error: duplicate symbol: __cfi_adsp_clock_off
    ld.lld: error: duplicate symbol: __cfi_adsp_clock_on
    ld.lld: error: duplicate symbol: __cfi_sof_hifixdsp_boot_sequence
    ld.lld: error: duplicate symbol: __cfi_sof_hifixdsp_shutdown
    ld.lld: error: duplicate symbol: adsp_clock_off
    ld.lld: error: duplicate symbol: adsp_clock_on
    ld.lld: error: duplicate symbol: sof_hifixdsp_boot_sequence
    ld.lld: error: duplicate symbol: sof_hifixdsp_shutdown
    mt8365-clk.c:(.text+0x1100): multiple definition of `adsp_clock_off'; sound/soc/sof/mediatek/mt8195/mt8195-clk.o:mt8195-clk.c:(.text+0xfc0): first defined here
    mt8365-clk.c:(.text+0xfc0): multiple definition of `adsp_clock_on'; sound/soc/sof/mediatek/mt8195/mt8195-clk.o:mt8195-clk.c:(.text+0xf80): first defined here
    mt8365-clk.c:(.text.adsp_clock_off+0x0): multiple definition of `adsp_clock_off'; sound/soc/sof/mediatek/mt8195/mt8195-clk.o:mt8195-clk.c:(.text.adsp_clock_off+0x0): first defined here
    mt8365-clk.c:(.text.adsp_clock_on+0x0): multiple definition of `adsp_clock_on'; sound/soc/sof/mediatek/mt8195/mt8195-clk.o:mt8195-clk.c:(.text.adsp_clock_on+0x0): first defined here
    mt8365-loader.c:(.text+0x0): multiple definition of `sof_hifixdsp_boot_sequence'; sound/soc/sof/mediatek/mt8195/mt8195-loader.o:mt8195-loader.c:(.text+0x0): first defined here
    mt8365-loader.c:(.text+0x240): multiple definition of `sof_hifixdsp_shutdown'; sound/soc/sof/mediatek/mt8195/mt8195-loader.o:mt8195-loader.c:(.text+0x240): first defined here
    mt8365-loader.c:(.text.sof_hifixdsp_boot_sequence+0x0): multiple definition of `sof_hifixdsp_boot_sequence'; sound/soc/sof/mediatek/mt8195/mt8195-loader.o:mt8195-loader.c:(.text.sof_hifixdsp_boot_sequence+0x0): first defined here
    mt8365-loader.c:(.text.sof_hifixdsp_shutdown+0x0): multiple definition of `sof_hifixdsp_shutdown'; sound/soc/sof/mediatek/mt8195/mt8195-loader.o:mt8195-loader.c:(.text.sof_hifixdsp_shutdown+0x0): first defined here

add prefixes for the duplicate functions.