media: synopsys: csi2rx: add missing kconfig dependency

media: synopsys: csi2rx: add missing kconfig dependency

Fix "ERROR: modpost: "phy_mipi_dphy_get_default_config_for_hsclk"
[drivers/media/platform/synopsys/dw-mipi-csi2rx.ko] undefined!" by
selecting GENERIC_PHY_MIPI_DPHY in the Kconfig entry.

Fixes: 355a11004066 ("media: synopsys: add driver for the designware mipi csi-2 receiver")
Cc: stable@kernel.org
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202602130253.BZnVd4jh-lkp@intel.com/
Signed-off-by: Michael Riesch <michael.riesch@collabora.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>