dmaengine: idma: rename to INTEL_IDMA64

the symbol CONFIG_IDMA64 should rather be CONFIG_INTEL_IDMA64 to conform to
rest of the intel dmaengine drivers. This was found after sorting the
entries and trying to place this odd one

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 7711a71..ef9c099 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -34,7 +34,7 @@
 obj-$(CONFIG_IMG_MDC_DMA) += img-mdc-dma.o
 obj-$(CONFIG_IMX_DMA) += imx-dma.o
 obj-$(CONFIG_IMX_SDMA) += imx-sdma.o
-obj-$(CONFIG_IDMA64) += idma64.o
+obj-$(CONFIG_INTEL_IDMA64) += idma64.o
 obj-$(CONFIG_INTEL_IOATDMA) += ioat/
 obj-$(CONFIG_INTEL_IOP_ADMA) += iop-adma.o
 obj-$(CONFIG_INTEL_MIC_X100_DMA) += mic_x100_dma.o