staging: bcm2835-audio: Fixed spacing around '&'

This was reported by checkpatch.pl

Signed-off-by: Narcisa Ana Maria Vasile <narcisaanamaria12@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c

@@ -90,7 +90,7 @@ void bcm2835_playback_fifo(struct bcm2835_alsa_stream *alsa_stream)
 		frames_to_bytes(alsa_stream->substream->runtime, alsa_stream->substream->runtime->status->hw_ptr),
 		new_period);
 	if (alsa_stream->buffer_size) {
-		alsa_stream->pos += consumed &~(1 << 30);
+		alsa_stream->pos += consumed & ~(1 << 30);
 		alsa_stream->pos %= alsa_stream->buffer_size;
 	}