ARM: OMAP: Undo of accidental 24xx DMA patch

This got added accidentally with 09b55578.
The DMA merge is not ready for 24xx yet.

arch/arm/plat-omap/dma.c

@@ -1038,9 +1038,7 @@ static int __init omap_init_dma(void)
 			dma_chan_count = 16;
 		} else
 			dma_chan_count = 9;
-	} else if (cpu_is_omap24xx())
-		dma_chan_count = 32;
-	else {
+	} else {
 		dma_chan_count = 0;
 		return 0;
 	}