This reverts commit 8466489e.

Now that we can properly reset the uPD72020x without a hard PCI reset,
let's get rid of the existing quirks.
Tested-by: NDomenico Andreoli <domenico.andreoli@linux.com>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
Tested-by: NFaiz Abbas <faiz_abbas@ti.com>
Tested-by: NDomenico Andreoli <domenico.andreoli@linux.com>
Acked-by: NMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>