x86, apic: Remove early_init_lapic_mapping()

It is almost the same as smp_register_lapic_addr(). We just need to
let smp_read_mpc() call smp_register_lapic_addr() when early==1.

Add the apic_printk to smp_register_lapic_address()

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
LKML-Reference: <4CFDF681.3030509@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index db0b703..27ccb70 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -289,17 +289,13 @@
 #ifdef CONFIG_X86_32
 	generic_mps_oem_check(mpc, oem, str);
 #endif
-	/* save the local APIC address, it might be non-default */
-	if (!acpi_lapic)
-		mp_lapic_addr = mpc->lapic;
-
-	if (early)
-		return 1;
-
 	/* Initialize the lapic mapping */
 	if (!acpi_lapic)
 		register_lapic_address(mpc->lapic);
 
+	if (early)
+		return 1;
+
 	if (mpc->oemptr)
 		x86_init.mpparse.smp_read_mpc_oem(mpc);