ARM: zynq: Add support for Zynq 7000S 7007s/7012s/7014s devices

Zynq 7000S (Single A9 core) devices is using different ID code.
This patch adds this new codes and assign them.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
index 183f642..2c86940 100644
--- a/board/xilinx/zynq/board.c
+++ b/board/xilinx/zynq/board.c
@@ -19,7 +19,10 @@
 static xilinx_desc fpga;
 
 /* It can be done differently */
+static xilinx_desc fpga007s = XILINX_XC7Z007S_DESC(0x7);
 static xilinx_desc fpga010 = XILINX_XC7Z010_DESC(0x10);
+static xilinx_desc fpga012s = XILINX_XC7Z012S_DESC(0x12);
+static xilinx_desc fpga014s = XILINX_XC7Z014S_DESC(0x14);
 static xilinx_desc fpga015 = XILINX_XC7Z015_DESC(0x15);
 static xilinx_desc fpga020 = XILINX_XC7Z020_DESC(0x20);
 static xilinx_desc fpga030 = XILINX_XC7Z030_DESC(0x30);
@@ -37,9 +40,18 @@
 	idcode = zynq_slcr_get_idcode();
 
 	switch (idcode) {
+	case XILINX_ZYNQ_7007S:
+		fpga = fpga007s;
+		break;
 	case XILINX_ZYNQ_7010:
 		fpga = fpga010;
 		break;
+	case XILINX_ZYNQ_7012S:
+		fpga = fpga012s;
+		break;
+	case XILINX_ZYNQ_7014S:
+		fpga = fpga014s;
+		break;
 	case XILINX_ZYNQ_7015:
 		fpga = fpga015;
 		break;