media: staging: media: atomisp: Remove inclusion of non-existing directories

media: staging: media: atomisp: Remove inclusion of non-existing directories

This patch fix the following build warnings:
  CC [M]  drivers/staging/media/atomisp/pci/atomisp2/atomisp_drvfs.o
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/bayer_ls/bayer_ls_1.0/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/io_ls/plane_io_ls/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/io_ls/yuv420_io_ls/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ipu2_io_ls/plane_io_ls/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ipu2_io_ls/yuv420_io_ls/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/s3a_stat_ls/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/scale/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/scale/scale_1.0/: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/yuv_ls: No such file or directory [-Wmissing-include-dirs]
cc1: warning: drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/yuv_ls/yuv_ls_1.0/: No such file or directory [-Wmissing-include-dirs]
by removing the inclusion of such directories

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>