media: staging: media: meson: vdec: fix kernel-doc warning

One comment used /** instead of /*, so it caused kernel-doc
warnings. Just turn it into a regular comment.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/meson/vdec/codec_hevc_common.h

@@ -49,9 +49,7 @@ static inline int codec_hevc_use_mmu(u32 revision, u32 pixfmt, int is_10bit)
 	       codec_hevc_use_fbc(pixfmt, is_10bit);
 }
 
-/**
- * Configure decode head read mode
- */
+/* Configure decode head read mode */
 void codec_hevc_setup_decode_head(struct amvdec_session *sess, int is_10bit);
 
 void codec_hevc_free_fbc_buffers(struct amvdec_session *sess,