Add feature definition for Enhanced Power Control
diff --git a/lib/hci.c b/lib/hci.c
index 1afbf87..b4511e1 100644
--- a/lib/hci.c
+++ b/lib/hci.c
@@ -660,7 +660,7 @@
 	{	/* Byte 7 */
 		{ "<LSTO>",		LMP_LSTO	},	/* Bit 1 */
 		{ "<inquiry TX power>",	LMP_INQ_TX_PWR	},	/* Bit 1 */
-		{ "<no. 58>",		0x04		},	/* Bit 2 */
+		{ "<EPC>",		LMP_EPC		},	/* Bit 2 */
 		{ "<no. 59>",		0x08		},	/* Bit 3 */
 		{ "<no. 60>",		0x10		},	/* Bit 4 */
 		{ "<no. 61>",		0x20		},	/* Bit 5 */
diff --git a/lib/hci.h b/lib/hci.h
index ad06445..38dac74 100644
--- a/lib/hci.h
+++ b/lib/hci.h
@@ -255,6 +255,7 @@
 
 #define LMP_LSTO	0x01
 #define LMP_INQ_TX_PWR	0x02
+#define LMP_EPC		0x04
 #define LMP_EXT_FEAT	0x80
 
 /* Link policies */