EGL_EXT_image_dma_buf_import: fix p010, p012 input

We made some wrong assumptions about the format layout, this fixes input given to formats, input can be identical.

Fixes: 3ce4e483 "EGL_EXT_image_dma_buf_import: add P12, P16 format support" Signed-off-by: Tapani Pälli tapani.palli@intel.com