dmaengine: xdmac: fix print warning on size_t variable

As documented in printk-formats.txt the size_t should be printed with
%zu/%zd specfiers. This way it works on all archs.

make.cross ARCH=avr32

All warnings:

   drivers/dma/at_xdmac.c: In function 'at_xdmac_prep_dma_cyclic':
>> drivers/dma/at_xdmac.c:663: warning: format '%d' expects type 'int', but argument 6 has type 'size_t'
>> drivers/dma/at_xdmac.c:663: warning: format '%d' expects type 'int', but argument 7 has type 'size_t'
   drivers/dma/at_xdmac.c: In function 'at_xdmac_prep_dma_memcpy':
>> drivers/dma/at_xdmac.c:765: warning: format '%d' expects type 'int', but argument 7 has type 'size_t'
>> drivers/dma/at_xdmac.c:794: warning: format '%u' expects type 'unsigned int', but argument 5 has type 'size_t'
>> drivers/dma/at_xdmac.c:815: warning: format '%u' expects type 'unsigned int', but argument 5 has type 'size_t'

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 44f212d..0f947c8 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -660,7 +660,7 @@
 	int			i;
 	u32			cfg;
 
-	dev_dbg(chan2dev(chan), "%s: buf_addr=0x%08x, buf_len=%d, period_len=%d, dir=%s, flags=0x%lx\n",
+	dev_dbg(chan2dev(chan), "%s: buf_addr=0x%08x, buf_len=%zd, period_len=%zd, dir=%s, flags=0x%lx\n",
 		__func__, buf_addr, buf_len, period_len,
 		direction == DMA_MEM_TO_DEV ? "mem2per" : "per2mem", flags);
 
@@ -762,7 +762,7 @@
 					| AT_XDMAC_CC_MBSIZE_SIXTEEN
 					| AT_XDMAC_CC_TYPE_MEM_TRAN;
 
-	dev_dbg(chan2dev(chan), "%s: src=0x%08x, dest=0x%08x, len=%d, flags=0x%lx\n",
+	dev_dbg(chan2dev(chan), "%s: src=0x%08x, dest=0x%08x, len=%zd, flags=0x%lx\n",
 		__func__, src, dest, len, flags);
 
 	if (unlikely(!len))
@@ -791,7 +791,7 @@
 	while (remaining_size) {
 		struct at_xdmac_desc	*desc = NULL;
 
-		dev_dbg(chan2dev(chan), "%s: remaining_size=%u\n", __func__, remaining_size);
+		dev_dbg(chan2dev(chan), "%s: remaining_size=%zu\n", __func__, remaining_size);
 
 		spin_lock_bh(&atchan->lock);
 		desc = at_xdmac_get_desc(atchan);
@@ -812,7 +812,7 @@
 		else
 			xfer_size = remaining_size;
 
-		dev_dbg(chan2dev(chan), "%s: xfer_size=%u\n", __func__, xfer_size);
+		dev_dbg(chan2dev(chan), "%s: xfer_size=%zu\n", __func__, xfer_size);
 
 		/* Check remaining length and change data width if needed. */
 		if (!((src_addr | dst_addr | xfer_size) & 7)) {