ASoC: rt5677: Add missing voice activation register definitions

#define RT5677_I2S4_CLK_SEL_MASK		(0xf)

#define RT5677_I2S4_CLK_SEL_SFT			0

/* VAD Function Control 1 (0x9c) */

#define RT5677_VAD_MIN_DUR_MASK			(0x3 << 13)

#define RT5677_VAD_MIN_DUR_SFT			13

#define RT5677_VAD_ADPCM_BYPASS			(1 << 10)

#define RT5677_VAD_ADPCM_BYPASS_BIT		10

#define RT5677_VAD_FG2ENC			(1 << 9)

#define RT5677_VAD_FG2ENC_BIT			9

#define RT5677_VAD_BUF_OW			(1 << 8)

#define RT5677_VAD_BUF_OW_BIT			8

#define RT5677_VAD_CLR_FLAG			(1 << 7)

#define RT5677_VAD_CLR_FLAG_BIT			7

#define RT5677_VAD_BUF_POP			(1 << 6)

#define RT5677_VAD_BUF_POP_BIT			6

#define RT5677_VAD_BUF_PUSH			(1 << 5)

#define RT5677_VAD_BUF_PUSH_BIT			5

#define RT5677_VAD_DET_ENABLE			(1 << 4)

#define RT5677_VAD_DET_ENABLE_BIT		4

#define RT5677_VAD_FUNC_ENABLE			(1 << 3)

#define RT5677_VAD_FUNC_ENABLE_BIT		3

#define RT5677_VAD_FUNC_RESET			(1 << 2)

#define RT5677_VAD_FUNC_RESET_BIT		2

/* VAD Function Control 4 (0x9f) */

#define RT5677_VAD_SRC_MASK			(0x7 << 8)

#define RT5677_VAD_OUT_SRC_RATE_MASK		(0x1 << 11)

#define RT5677_VAD_OUT_SRC_RATE_SFT		11

#define RT5677_VAD_OUT_SRC_MASK			(0x1 << 10)

#define RT5677_VAD_OUT_SRC_SFT			10

#define RT5677_VAD_SRC_MASK			(0x3 << 8)

#define RT5677_VAD_SRC_SFT			8

#define RT5677_VAD_LV_DIFF_MASK			(0xff << 0)

#define RT5677_VAD_LV_DIFF_SFT			0

/* DSP InBound Control (0xa3) */

#define RT5677_IB01_SRC_MASK			(0x7 << 12)