sb,soc/intel: Set IOAPIC max entries before APIC ID

This allows to replace set_ioapic_id() call with setup_ioapic()
that also clears redirection table entries.

Change-Id: I854f19c997a96bcdccb11a0906431e3291788cb6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55308
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index f1cf7a3..fa53db2 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -34,10 +34,10 @@
  */
 static void pch_enable_ioapic(struct device *dev)
 {
-	set_ioapic_id(VIO_APIC_VADDR, 0x01);
-
 	/* affirm full set of redirection table entries ("write once") */
 	ioapic_lock_max_vectors(VIO_APIC_VADDR);
+
+	set_ioapic_id(VIO_APIC_VADDR, 0x01);
 }
 
 static void pch_enable_serial_irqs(struct device *dev)