ARM: zynq: provide config option to select emio

Dont send always emio value as zero for zynq_gem_initialize
send it based on config.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
index e131056..47f85c7 100644
--- a/board/xilinx/zynq/board.c
+++ b/board/xilinx/zynq/board.c
@@ -119,11 +119,13 @@
 #if defined(CONFIG_ZYNQ_GEM)
 # if defined(CONFIG_ZYNQ_GEM0)
 	ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR0,
-						CONFIG_ZYNQ_GEM_PHY_ADDR0, 0);
+				   CONFIG_ZYNQ_GEM_PHY_ADDR0,
+				   CONFIG_ZYNQ_GEM_EMIO0);
 # endif
 # if defined(CONFIG_ZYNQ_GEM1)
 	ret |= zynq_gem_initialize(bis, ZYNQ_GEM_BASEADDR1,
-						CONFIG_ZYNQ_GEM_PHY_ADDR1, 0);
+				   CONFIG_ZYNQ_GEM_PHY_ADDR1,
+				   CONFIG_ZYNQ_GEM_EMIO1);
 # endif
 #endif
 	return ret;