powerpc/t208x: enable errata A006261, A006593, A006379

Enable errata A006261, A006593, A006379 for T208x.
Additionally enable CONFIG_CMD_ERRATA for T2080RDB.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h
index 4eba85c..d820121 100644
--- a/arch/powerpc/include/asm/fsl_errata.h
+++ b/arch/powerpc/include/asm/fsl_errata.h
@@ -52,6 +52,9 @@
 		return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0);
 	case SVR_T1040:
 		return IS_SVR_REV(svr, 1, 0);
+	case SVR_T2080:
+	case SVR_T2081:
+		return IS_SVR_REV(svr, 1, 0);
 	case SVR_P5040:
 		return IS_SVR_REV(svr, 1, 0);
 	}