am3517_evm: activate Ethernet PHY

Pin 30 is connected to PHY's RESET# signal, so it must be
put to high. Otherwise PHY won't be found via MDIO interface.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index 1fa477a..b8b99c8 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -58,6 +58,11 @@
  */
 
 /*
+ * OMAP GPIO configuration
+ */
+#define CONFIG_OMAP_GPIO
+
+/*
  * NS16550 Configuration
  */
 #define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */