_intel_fbc_cfb_stride() calculates the CFB stride the hardware would
automagically generate from the plane's stride. Rename the function
to intel_fbc_plane_cfb_stride() to better reflect its purpose.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240705145254.3355-4-ville.syrjala@linux.intel.comReviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>