ColdFire: Add MCF5227x cpu and M52277EVB support-1

Signed-off-by: TsiChungLiew <Tsi-Chung.Liew@freescale.com>
Signed-off by: John Rigby <jrigby@freescale.com>
diff --git a/README b/README
index f2a4914..09dda53 100644
--- a/README
+++ b/README
@@ -136,6 +136,7 @@
   - i386	Files specific to i386 CPUs
   - ixp		Files specific to Intel XScale IXP CPUs
   - mcf52x2	Files specific to Freescale ColdFire MCF52x2 CPUs
+  - mcf5227x	Files specific to Freescale ColdFire MCF5227x CPUs
   - mcf532x	Files specific to Freescale ColdFire MCF5329 CPUs
   - mcf5445x	Files specific to Freescale ColdFire MCF5445x CPUs
   - mips	Files specific to MIPS CPUs