doc: update kprobes supported architecture list

Now that kprobes and kretprobes are implemented, update the list in
Documentation to reflect that.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Helge Deller <deller@gmx.de>

Documentation/features/debug/kprobes/arch-support.txt

@@ -21,7 +21,7 @@
     |       nds32: | TODO |
     |       nios2: | TODO |
     |    openrisc: | TODO |
-    |      parisc: | TODO |
+    |      parisc: |  ok  |
     |     powerpc: |  ok  |
     |       riscv: |  ok  |
     |        s390: |  ok  |

Documentation/kprobes.txt

@@ -321,6 +321,7 @@ architectures:
 - ppc
 - mips
 - s390
+- parisc
 
 Configuring Kprobes
 ===================