docs(versal): fix the versal platform emu name

Fix the versal platform emu itr6 name.

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu@xilinx.com>
Change-Id: Id9f3272c85513d8258fbbb3bd719c032053b3ada
diff --git a/docs/plat/xilinx-versal.rst b/docs/plat/xilinx-versal.rst
index 91ad6f1..09a6ee2 100644
--- a/docs/plat/xilinx-versal.rst
+++ b/docs/plat/xilinx-versal.rst
@@ -44,7 +44,7 @@
 *   `VERSAL_PLATFORM`: Select the platform. Options:
     -   `versal_virt`	: Versal Virtual platform
     -   `spp_itr6`	: SPP ITR6
-    -   `emu_it6`	: EMU ITR6
+    -   `emu_itr6`	: EMU ITR6
 
 # PLM->TF-A Parameter Passing
 ------------------------------