USB: replace uses of __constant_{endian}

The base versions handle constant folding now.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index abf8192..826f3ad 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -551,7 +551,7 @@
 		dma_desc->status = AMD_ADDBITS(dma_desc->status,
 						UDC_DMA_STP_STS_BS_HOST_BUSY,
 						UDC_DMA_STP_STS_BS);
-		dma_desc->bufptr = __constant_cpu_to_le32(DMA_DONT_USE);
+		dma_desc->bufptr = cpu_to_le32(DMA_DONT_USE);
 		req->td_data = dma_desc;
 		req->td_data_last = NULL;
 		req->chain_len = 1;