[media] cx231xx: Modifiy the symbolic constants for i2c ports and describe

Change to I2C_0 ... I2C_2 for the master ports
and add I2C_1_MUX_1 and I2C_1_MUX_3 for the muxed ones.

V2: Renamed mux adapters to seperate them from master adapters.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
1 file changed