image_types_tegra.bbclass: add SMDFILE tag rewrite for R32.6.1
image_types_tegra.bbclass: add SMDFILE tag rewrite for R32.6.1

New tag in the flash layout XML files needs handling for
R32.6.1.

Signed-off-by: Matt Madison <1fa2ef4755a9226cb9a0a4840bd89b158ac71391@madison.systems>

madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra,madisongh/meta-tegra