Kconfig: zynqmp: Move CONFIG_SYS_TEXT_BASE to defconfig

Move CONFIG_SYS_TEXT_BASE of ZynqMP_ep to its
respective defconfig

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/configs/xilinx_zynqmp_ep_defconfig b/configs/xilinx_zynqmp_ep_defconfig
index cbed891..fda44ea 100644
--- a/configs/xilinx_zynqmp_ep_defconfig
+++ b/configs/xilinx_zynqmp_ep_defconfig
@@ -15,3 +15,4 @@
 # CONFIG_CMD_NFS is not set
 CONFIG_CMD_TIME=y
 CONFIG_CMD_TIMER=y
+CONFIG_SYS_TEXT_BASE=0x8000000