[ALSA] sound/core Fix the sparse warning 'implicit cast to nocast type'

Memalloc module,ALSA Core,Instrument layer
Fix the sparse warning 'implicit cast to nocast type'

File/Subsystem:sound/core

Signed-off-by: Victor Fusco <victor@cetuc.puc-rio.br>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

sound/core/memalloc.c

@@ -105,7 +105,8 @@ struct snd_mem_list {
  */
 
 static void *snd_dma_hack_alloc_coherent(struct device *dev, size_t size,
-					 dma_addr_t *dma_handle, int flags)
+					 dma_addr_t *dma_handle,
+					 unsigned int __nocast flags)
 {
 	void *ret;
 	u64 dma_mask, coherent_dma_mask;