LF-3334-02: media: isi: cap: fix v4l2-compliance TRY_FMT/S_FMT test fail issue

LF-3334-02: media: isi: cap: fix v4l2-compliance TRY_FMT/S_FMT test fail issue

Fix v4l2-compliance TRY_FMT/S_FMT test fail issue, error log as bellow:
  test VIDIOC_TRY_FMT: FAIL
    fail: ../../../v4l-utils-1.18.1/utils/v4l2-compliance/v4l2-test-formats.cpp(346): colorspace >= 0xff
    fail: ../../../v4l-utils-1.18.1/utils/v4l2-compliance/v4l2-test-formats.cpp(464): testColorspace(node->has_inputs || node->has_output)
  test VIDIOC_S_FMT: FAIL

Signed-off-by: Guoniu.zhou <guoniu.zhou@nxp.com>
Reviewed-by: Robby Cai <robby.cai@nxp.com>