AGESA: Fix invalid use of CFG_ declarations

The declarations of CFG_ evaluate to correct values only when
included after the definitions of BLDCFG_ in buildOpts.c.
So we never have CFG_PLAT_NUM_IO_APICS defined here.

Change-Id: I94b3dee5a3207b37921eb24a0bcd73b5a217b2d3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/14887
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/northbridge/amd/agesa/family16kb/northbridge.c b/src/northbridge/amd/agesa/family16kb/northbridge.c
index 15d8125..25bb337 100644
--- a/src/northbridge/amd/agesa/family16kb/northbridge.c
+++ b/src/northbridge/amd/agesa/family16kb/northbridge.c
@@ -1087,11 +1087,11 @@
 			 * This is needed because many IO-APIC devices only have 4 bits
 			 * for their APIC id and therefore must reside at 0..15
                          */
-#ifndef CFG_PLAT_NUM_IO_APICS /* defined in mainboard buildOpts.c */
-#define CFG_PLAT_NUM_IO_APICS 3
-#endif
-			if ((node_nums * core_max) + CFG_PLAT_NUM_IO_APICS >= 0x10) {
-				lapicid_start = (CFG_PLAT_NUM_IO_APICS - 1) / core_max;
+
+                        u8 plat_num_io_apics = 3; /* FIXME */
+
+			if ((node_nums * core_max) + plat_num_io_apics >= 0x10) {
+				lapicid_start = (plat_num_io_apics - 1) / core_max;
 				lapicid_start = (lapicid_start + 1) * core_max;
 				printk(BIOS_SPEW, "lpaicid_start=0x%x ", lapicid_start);
 			}