[phantom] Add new board type

src/drivers/net/phantom/phantom.c

 	/* Identify board type and number of ports */
 	switch ( board_info.board_type ) {
 	case UNM_BRDTYPE_P3_4_GB:
+	case UNM_BRDTYPE_P3_4_GB_MM:
 		phantom->num_ports = 4;
 		break;
 	case UNM_BRDTYPE_P3_HMEZ:

src/drivers/net/phantom/phantom.h

 #define UNM_BRDTYPE_P3_10G_SFP_PLUS	0x0026
 #define UNM_BRDTYPE_P3_10000_BASE_T	0x0027
 #define UNM_BRDTYPE_P3_XG_LOM		0x0028
+#define UNM_BRDTYPE_P3_4_GB_MM		0x0029
 #define UNM_BRDTYPE_P3_10G_CX4		0x0031
 #define UNM_BRDTYPE_P3_10G_XFP		0x0032
 #define UNM_BDINFO_MAGIC		0x12345678