media: hantro: Add support for the Rockchip PX30

The PX30 SoC includes both the VDPU2 and VEPU2 blocks which are similar
to the RK3399 (Hantro G1/H1 with shuffled registers).

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>