[ARM] pxa: remove unnecessary #include of pxa-regs.h and hardware.h

pxa-regs.h and hardware.h are not intended for use directly in driver
code, remove those unnecessary references.

Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index 870b4c3..611584e 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -226,8 +226,7 @@
  * Use a DMA for RX and TX packets.
  */
 #include <linux/dma-mapping.h>
-#include <asm/dma.h>
-#include <mach/pxa-regs.h>
+#include <mach/dma.h>
 
 static dma_addr_t rx_dmabuf, tx_dmabuf;
 static int rx_dmalen, tx_dmalen;