AGESA,binaryPI: Enable lapic early for udelay()

Change-Id: I7200ac0256748d9372fc39be27b86d1c93b38321
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37756
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

src/drivers/amd/agesa/bootblock.c

@@ -18,6 +18,7 @@
 #include <amdblocks/biosram.h>
 #include <cpu/amd/msr.h>
 #include <cpu/x86/mtrr.h>
+#include <cpu/x86/lapic.h>
 
 #define EARLY_VMTRR_FLASH 6
 
@@ -33,6 +34,9 @@ asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
 	enable_pci_mmconf();
 	set_early_mtrrs();
 
+	if (CONFIG(UDELAY_LAPIC))
+		enable_lapic();
+
 	bootblock_main_with_basetime(base_timestamp);
 }
 
@@ -41,6 +45,9 @@ asmlinkage void ap_bootblock_c_entry(void)
 	enable_pci_mmconf();
 	set_early_mtrrs();
 
+	if (CONFIG(UDELAY_LAPIC))
+		enable_lapic();
+
 	void (*ap_romstage_entry)(void) = get_ap_entry_ptr();
 	ap_romstage_entry(); /* execution does not return */
 	halt();