package/tvheadend: bump version

package/tvheadend: bump version

Removed patch 0002, applied upstream:
https://github.com/tvheadend/tvheadend/commit/068e5f921ddc22e648ebe006e515baf3e1ea12d1

Added patch to fix musl & uclibc build.

Renamed option dvbcsa to tvhcsa.

Upstream removed the dvbcsa configure option with this commit:
https://github.com/tvheadend/tvheadend/commit/4e7f837c7055f4cb173164ca31af139e0a7858a5#diff-e2d5a00791bce9a01f99bc6fd613a39d

and moved the optional dvbcsa support inside the tvhcsa option block:
https://github.com/tvheadend/tvheadend/blob/c76c7e0604977305498221f83c049d6d4fc715ed/configure#L645

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>