[media] tda10071: Fix dependency to REGMAP_I2C

BugLink: http://bugs.launchpad.net/bugs/1592531



Without I get this error for by dvb-card:
  tda10071: Unknown symbol devm_regmap_init_i2c (err 0)
  cx23885_dvb_register() dvb_register failed err = -22
  cx23885_dev_setup() Failed to register dvb adapters on VID_B

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>
(cherry picked from commit b046d3ad)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>