X60/T60: fix mptable LINT entries

They used MP_IRQ_TRIGGER_LEVEL, but it should be MP_IRQ_TRIGGER_EDGE.
While at it, uses mptable_lintsrc() instead.

Change-Id: Ie71311b8bf865889cf0d8808467df98af4b0132d
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/1136
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/mainboard/lenovo/x60/mptable.c b/src/mainboard/lenovo/x60/mptable.c
index f21e76f..8ade71b 100644
--- a/src/mainboard/lenovo/x60/mptable.c
+++ b/src/mainboard/lenovo/x60/mptable.c
@@ -66,9 +66,7 @@
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x05, (0x00 << 2) | 0x01, 0x02, 0x11); /* Firewire  5:00.1 */
 	smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, 0x05, (0x00 << 2) | 0x02, 0x02, 0x12); /* SDHC      5:00.2 */
 
-	smp_write_lintsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_HIGH, isa_bus, 0, MP_APIC_ALL, 0);
-	smp_write_lintsrc(mc, mp_NMI,    MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_HIGH, isa_bus, 0, MP_APIC_ALL, 1);
-
+	mptable_lintsrc(mc, isa_bus);
 	return mptable_finalize(mc);
 }