ARM: DaVinci: dma: readability change

Use macro DAVINCI_EDMA_IS_Q to make
code easier to read
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/include/mach/edma.h

@@ -236,6 +236,10 @@ typedef struct {
 
 #define DAVINCI_EDMA_NUM_DMACH           64
 #define DAVINCI_EDMA_NUM_QDMACH           8
+#define DAVINCI_EDMA_QSTART DAVINCI_EDMA_NUM_DMACH
+#define DAVINCI_EDMA_QEND (DAVINCI_EDMA_QSTART + DAVINCI_EDMA_NUM_QDMACH)
+#define DAVINCI_EDMA_IS_Q(ch_no) \
+	((ch_no >= DAVINCI_EDMA_QSTART) && (ch_no < DAVINCI_EDMA_QEND))
 #define DAVINCI_EDMA_NUM_PARAMENTRY     128
 #define DAVINCI_EDMA_NUM_EVQUE            2
 #define DAVINCI_EDMA_CHMAPEXIST           0