ipu: blitter: fix rotation descriptions
ipu: blitter: fix rotation descriptions

Signed-off-by: Philip Craig <e888d2bd6f13f82caa51a37c03d034c76f661ba3@blackmoth.com.au>

commshare/gstreamer-imx,commshare/gstreamer-imx,Josuercuevas/gstreamer-imx,Josuercuevas/gstreamer-imx