change version to 0.5.1git

Signed-off-by: Steve Markgraf <steve@steve-m.de>
use new driver for R8XX tuners

Signed-off-by: Steve Markgraf <steve@steve-m.de>
add support for R828D tuner

Signed-off-by: Steve Markgraf <steve@steve-m.de>
add Astrometa DVB-T/DVB-T2 stick

Signed-off-by: Steve Markgraf <steve@steve-m.de>
remove e4k-specific I2C functions from library

Signed-off-by: Steve Markgraf <steve@steve-m.de>
lib: declare fir coefficients as constant

Signed-off-by: Steve Markgraf <steve@steve-m.de>
r82xx: make new driver build with MSVC

Signed-off-by: Steve Markgraf <steve@steve-m.de>