classes: bundle: Fix typo "CONVERTS_ARGS"
classes: bundle: Fix typo "CONVERTS_ARGS"

Replace "CONVERTS_ARGS" with correct "CONVERT_ARGS" in the description
of the bundle.bbclass.

Signed-off-by: Martin Schwan <0b4b17d835f86924185dc5770bd021250822e547@phytec.de>

rauc/meta-rauc,rauc/meta-rauc,rauc/meta-rauc,rauc/meta-rauc