[docs] Update Target Feature Matrix for the XCore backend.

Disassembler support has recently been added. Fill in some other unknowns
at the same time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181156 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CodeGenerator.rst b/docs/CodeGenerator.rst
index 75415ab..20c99ce 100644
--- a/docs/CodeGenerator.rst
+++ b/docs/CodeGenerator.rst
@@ -1809,7 +1809,7 @@
 :raw-html:`<td class="yes"></td> <!-- PowerPC -->`
 :raw-html:`<td class="yes"></td> <!-- Sparc -->`
 :raw-html:`<td class="yes"></td> <!-- X86 -->`
-:raw-html:`<td class="unknown"></td> <!-- XCore -->`
+:raw-html:`<td class="yes"></td> <!-- XCore -->`
 :raw-html:`</tr>`
 
 :raw-html:`<tr>`
@@ -1837,7 +1837,7 @@
 :raw-html:`<td class="no"></td> <!-- PowerPC -->`
 :raw-html:`<td class="no"></td> <!-- Sparc -->`
 :raw-html:`<td class="yes"></td> <!-- X86 -->`
-:raw-html:`<td class="no"></td> <!-- XCore -->`
+:raw-html:`<td class="yes"></td> <!-- XCore -->`
 :raw-html:`</tr>`
 
 :raw-html:`<tr>`
@@ -1851,7 +1851,7 @@
 :raw-html:`<td class="yes"></td> <!-- PowerPC -->`
 :raw-html:`<td class="unknown"></td> <!-- Sparc -->`
 :raw-html:`<td class="yes"></td> <!-- X86 -->`
-:raw-html:`<td class="unknown"></td> <!-- XCore -->`
+:raw-html:`<td class="yes"></td> <!-- XCore -->`
 :raw-html:`</tr>`
 
 :raw-html:`<tr>`
@@ -1865,7 +1865,7 @@
 :raw-html:`<td class="yes"></td> <!-- PowerPC -->`
 :raw-html:`<td class="unknown"></td> <!-- Sparc -->`
 :raw-html:`<td class="yes"></td> <!-- X86 -->`
-:raw-html:`<td class="unknown"></td> <!-- XCore -->`
+:raw-html:`<td class="no"></td> <!-- XCore -->`
 :raw-html:`</tr>`
 
 :raw-html:`<tr>`
@@ -1893,7 +1893,7 @@
 :raw-html:`<td class="yes"></td> <!-- PowerPC -->`
 :raw-html:`<td class="unknown"></td> <!-- Sparc -->`
 :raw-html:`<td class="yes"></td> <!-- X86 -->`
-:raw-html:`<td class="unknown"></td> <!-- XCore -->`
+:raw-html:`<td class="no"></td> <!-- XCore -->`
 :raw-html:`</tr>`
 
 :raw-html:`<tr>`