FR: Build kernel variant with DVB subsystem enabled

[samip5]

It seems that the kernel config being used, is disabling all of dvb subsystem. This is not great for tuner cards. Thus I'm requesting it to be enabled.

My tuner card is https://www.linuxtv.org/wiki/index.php/Hauppauge_WinTV-quadHD_(DVB-T/T2/C) which then uses cx23885 driver in kernel. This driver doesn't seem to be included nor is the dvb subsystem as a whole.