README: Remove reference to OCC from feature list

The On-Chip Controller is a Power-specific item while the rest of the
list generalises over multiple host architectures.

Change-Id: I56e0b5c65615aa416391a29630b5d0a8d56960ec
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/README.md b/README.md
index c300cf7..e27a9fb 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,6 @@
 * Host Watchdog
 * Simulation
 * Code Update Support for multiple BMC/BIOS images
-* POWER On Chip Controller (OCC) Support
 
 **Features In Progress**
 * Full IPMI 2.0 Compliance with DCMI