MX28: DMA: Prolong the DMA timeout

Load from SPI flash can create a long DMA chain, which can take long
time to transfer. Change the DMA timeout to roughly 10s to prevent
such long chains misreporting errors.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Otavio Salvador <otavio@ossystems.com.br>
Cc: Stefano Babic <sbabic@denx.de>

drivers/dma/apbh_dma.c

@@ -526,7 +526,7 @@ static int mxs_dma_wait_complete(uint32_t timeout, unsigned int chan)
  */
 int mxs_dma_go(int chan)
 {
-	uint32_t timeout = 10000;
+	uint32_t timeout = 10000000;
 	int ret;
 
 	LIST_HEAD(tmp_desc_list);