Revert "Revert "genlock fixups""

This reverts commit 2246ce7cc250f8faf5ada226ce294fa4c827af30.
Revert "genlock fixups"

This reverts commit 4729d01aa6be0341787e4de05db2bc97fbdfc240.
Revert "reenable crt animation hack"

should not be nessecary now that hardware composer is working again

This reverts commit 020fc5142f44732dbbf8353a331abfcdad90731d.