Mediatek AFE PCM controller for mt2701

Required properties:
- compatible = "mediatek,mt2701-audio";
- reg: register location and size
- interrupts: Should contain AFE interrupt
- clock-names: should have these clock names:
		"infra_sys_audio_clk",
		"top_audio_mux1_sel",
		"top_audio_mux2_sel",
		"top_audio_mux1_div",
		"top_audio_mux2_div",
		"top_audio_48k_timing",
		"top_audio_44k_timing",
		"top_audpll_mux_sel",
		"top_apll_sel",
		"top_aud1_pll_98M",
		"top_aud2_pll_90M",
		"top_hadds2_pll_98M",
		"top_hadds2_pll_294M",
		"top_audpll",
		"top_audpll_d4",
		"top_audpll_d8",
		"top_audpll_d16",
		"top_audpll_d24",
		"top_audintbus_sel",
		"clk_26m",
		"top_syspll1_d4",
		"top_aud_k1_src_sel",
		"top_aud_k2_src_sel",
		"top_aud_k3_src_sel",
		"top_aud_k4_src_sel",
		"top_aud_k5_src_sel",
		"top_aud_k6_src_sel",
		"top_aud_k1_src_div",
		"top_aud_k2_src_div",
		"top_aud_k3_src_div",
		"top_aud_k4_src_div",
		"top_aud_k5_src_div",
		"top_aud_k6_src_div",
		"top_aud_i2s1_mclk",
		"top_aud_i2s2_mclk",
		"top_aud_i2s3_mclk",
		"top_aud_i2s4_mclk",
		"top_aud_i2s5_mclk",
		"top_aud_i2s6_mclk",
		"top_asm_m_sel",
		"top_asm_h_sel",
		"top_univpll2_d4",
		"top_univpll2_d2",
		"top_syspll_d5";

Example:

	afe: mt2701-afe-pcm@11220000 {
		compatible = "mediatek,mt2701-audio";
		reg = <0 0x11220000 0 0x2000>,
		      <0 0x112A0000 0 0x20000>;
		interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_LOW>,
			     <GIC_SPI 132 IRQ_TYPE_LEVEL_LOW>;
		clocks = <&infracfg CLK_INFRA_AUDIO>,
			 <&topckgen CLK_TOP_AUD_MUX1_SEL>,
			 <&topckgen CLK_TOP_AUD_MUX2_SEL>,
			 <&topckgen CLK_TOP_AUD_MUX1_DIV>,
			 <&topckgen CLK_TOP_AUD_MUX2_DIV>,
			 <&topckgen CLK_TOP_AUD_48K_TIMING>,
			 <&topckgen CLK_TOP_AUD_44K_TIMING>,
			 <&topckgen CLK_TOP_AUDPLL_MUX_SEL>,
			 <&topckgen CLK_TOP_APLL_SEL>,
			 <&topckgen CLK_TOP_AUD1PLL_98M>,
			 <&topckgen CLK_TOP_AUD2PLL_90M>,
			 <&topckgen CLK_TOP_HADDS2PLL_98M>,
			 <&topckgen CLK_TOP_HADDS2PLL_294M>,
			 <&topckgen CLK_TOP_AUDPLL>,
			 <&topckgen CLK_TOP_AUDPLL_D4>,
			 <&topckgen CLK_TOP_AUDPLL_D8>,
			 <&topckgen CLK_TOP_AUDPLL_D16>,
			 <&topckgen CLK_TOP_AUDPLL_D24>,
			 <&topckgen CLK_TOP_AUDINTBUS_SEL>,
			 <&clk26m>,
			 <&topckgen CLK_TOP_SYSPLL1_D4>,
			 <&topckgen CLK_TOP_AUD_K1_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K2_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K3_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K4_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K5_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K6_SRC_SEL>,
			 <&topckgen CLK_TOP_AUD_K1_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_K2_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_K3_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_K4_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_K5_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_K6_SRC_DIV>,
			 <&topckgen CLK_TOP_AUD_I2S1_MCLK>,
			 <&topckgen CLK_TOP_AUD_I2S2_MCLK>,
			 <&topckgen CLK_TOP_AUD_I2S3_MCLK>,
			 <&topckgen CLK_TOP_AUD_I2S4_MCLK>,
			 <&topckgen CLK_TOP_AUD_I2S5_MCLK>,
			 <&topckgen CLK_TOP_AUD_I2S6_MCLK>,
			 <&topckgen CLK_TOP_ASM_M_SEL>,
			 <&topckgen CLK_TOP_ASM_H_SEL>,
			 <&topckgen CLK_TOP_UNIVPLL2_D4>,
			 <&topckgen CLK_TOP_UNIVPLL2_D2>,
			 <&topckgen CLK_TOP_SYSPLL_D5>;

		clock-names = "infra_sys_audio_clk",
			      "top_audio_mux1_sel",
			      "top_audio_mux2_sel",
			      "top_audio_mux1_div",
			      "top_audio_mux2_div",
			      "top_audio_48k_timing",
			      "top_audio_44k_timing",
			      "top_audpll_mux_sel",
			      "top_apll_sel",
			      "top_aud1_pll_98M",
			      "top_aud2_pll_90M",
			      "top_hadds2_pll_98M",
			      "top_hadds2_pll_294M",
			      "top_audpll",
			      "top_audpll_d4",
			      "top_audpll_d8",
			      "top_audpll_d16",
			      "top_audpll_d24",
			      "top_audintbus_sel",
			      "clk_26m",
			      "top_syspll1_d4",
			      "top_aud_k1_src_sel",
			      "top_aud_k2_src_sel",
			      "top_aud_k3_src_sel",
			      "top_aud_k4_src_sel",
			      "top_aud_k5_src_sel",
			      "top_aud_k6_src_sel",
			      "top_aud_k1_src_div",
			      "top_aud_k2_src_div",
			      "top_aud_k3_src_div",
			      "top_aud_k4_src_div",
			      "top_aud_k5_src_div",
			      "top_aud_k6_src_div",
			      "top_aud_i2s1_mclk",
			      "top_aud_i2s2_mclk",
			      "top_aud_i2s3_mclk",
			      "top_aud_i2s4_mclk",
			      "top_aud_i2s5_mclk",
			      "top_aud_i2s6_mclk",
			      "top_asm_m_sel",
			      "top_asm_h_sel",
			      "top_univpll2_d4",
			      "top_univpll2_d2",
			      "top_syspll_d5";
	};