V4L/DVB (3598): Add bit algorithm adapter for the Conexant CX2341X boards.

#define I2C_HW_B_SAVAGE		0x01001d /* savage framebuffer driver */

#define I2C_HW_B_RADEON		0x01001e /* radeon framebuffer driver */

#define I2C_HW_B_EM28XX		0x01001f /* em28xx video capture cards */

#define I2C_HW_B_CX2341X	0x010020 /* Conexant CX2341X MPEG encoder cards */

/* --- PCF 8584 based algorithms					*/

#define I2C_HW_P_LP		0x020000 /* Parallel port interface */