media: rkisp1: Fix wrong PHY config dependency

Instead of depending on the Rockchip PHY driver the ISP driver
should really depend on CONFIG_GENERIC_PHY_MIPI_DPHY,
given all it needs is the phy_mipi_dphy_get_default_config() symbol.

Fix it.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/rkisp1/Kconfig

@@ -9,7 +9,7 @@ config VIDEO_ROCKCHIP_ISP1
 	select VIDEOBUF2_DMA_CONTIG
 	select VIDEOBUF2_VMALLOC
 	select V4L2_FWNODE
-	select PHY_ROCKCHIP_DPHY_RX0
+	select GENERIC_PHY_MIPI_DPHY
 	default n
 	help
 	  Enable this to support the Image Signal Processing (ISP) module