[media] cx231xx: use 1 byte read for i2c scan
[media] cx231xx: use 1 byte read for i2c scan

Now cx231xx_i2c_check_for_device works like i2c_check_for_device of em28xx driver.

For me this fixes scanning of all ports but port 2.

Signed-off-by: Matthias Schwarzott <0a9348b32be3e40b872e5f0ce1a66182f8efca86@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs