Phytec Phycore-i.MX31 support

This patch adds support for the Phytec Phycore-i.MX31 board

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
diff --git a/Makefile b/Makefile
index 17d0a2d..b0ede98 100644
--- a/Makefile
+++ b/Makefile
@@ -2609,6 +2609,9 @@
 imx31_litekit_config	: unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm1136 imx31_litekit NULL mx31
 
+imx31_phycore_config	: unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm1136 imx31_phycore NULL mx31
+
 #========================================================================
 # i386
 #========================================================================