zynqmp: Fix CSU ID SVD mask fo getting chip ID

This patch corrects the SVD mask for getting chip ID
using 0xe is wrong and 0x7 is correct.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>

plat/xilinx/zynqmp/zynqmp_def.h

@@ -158,7 +158,8 @@
 #define ZYNQMP_CSU_IDCODE_XILINX_ID		0x093
 
 #define ZYNQMP_CSU_IDCODE_SVD_SHIFT		12
-#define ZYNQMP_CSU_IDCODE_SVD_MASK		(0xE << ZYNQMP_CSU_IDCODE_SVD_SHIFT)
+#define ZYNQMP_CSU_IDCODE_SVD_MASK		(0x7 << \
+						 ZYNQMP_CSU_IDCODE_SVD_SHIFT)
 #define ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT	15
 #define ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK	(0xF << ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT)
 #define ZYNQMP_CSU_IDCODE_SUB_FAMILY_SHIFT	19