ARM: OMAP: dma: Fix the dma_chan_link_map init order

Init dma_chan_link_map[lch] *after* its memset to 0.
Signed-off-by: NR Sricharan <r.sricharan@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/plat-omap/dma.c

@@ -894,11 +894,12 @@ void omap_start_dma(int lch)
 		int next_lch, cur_lch;
 		char dma_chan_link_map[MAX_LOGICAL_DMA_CH_COUNT];
 
-		dma_chan_link_map[lch] = 1;
 		/* Set the link register of the first channel */
 		enable_lnk(lch);
 
 		memset(dma_chan_link_map, 0, sizeof(dma_chan_link_map));
+		dma_chan_link_map[lch] = 1;
+
 		cur_lch = dma_chan[lch].next_lch;
 		do {
 			next_lch = dma_chan[cur_lch].next_lch;