AMD binaryPI: Drop HT3_SUPPORT

Kconfig variable is not implemented.

Also fix broken abuild.

Change-Id: I569f44e97abc570158472ddbd0f890315233f8a6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8494
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)

src/northbridge/amd/pi/00730F01/northbridge.c

@@ -1171,13 +1171,8 @@ static u32 cpu_bus_scan(device_t dev, u32 max)
 			/* Ok, We need to set the links for that device.
 			 * otherwise the device under it will not be scanned
 			 */
-			int linknum;
-#if CONFIG_HT3_SUPPORT
-			linknum = 8;
-#else
-			linknum = 4;
-#endif
-			add_more_links(cdb_dev, linknum);
+
+			add_more_links(cdb_dev, 4);
 		}
 
 		family = cpuid_eax(1);