usb: musb: musbhsdma: increase max_len to 1MB

MUSB's DMA controller max channel length was set to 64k.
Transfer length greater than this max value is being truncated.

Signed-off-by: Anil Shetty <anil@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/musb/musbhsdma.c

@@ -91,7 +91,7 @@ static struct dma_channel *dma_channel_allocate(struct dma_controller *c,
 			channel = &(musb_channel->channel);
 			channel->private_data = musb_channel;
 			channel->status = MUSB_DMA_STATUS_FREE;
-			channel->max_len = 0x10000;
+			channel->max_len = 0x100000;
 			/* Tx => mode 1; Rx => mode 0 */
 			channel->desired_mode = transmit;
 			channel->actual_len = 0;