mb/amd/mandolin: Clean up IRQ numbers

We no longer need the IO-APIC assignments since we use the GNB IO-APIC.
We were also missing the E-H IRQ mapping. I also renumbered them since
IRQ 8 is used by the rtc.

TEST=none
BRANCH=zork

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ia956ae457669aeda6fa49e127373aad3807f7b9b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49368
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/amd/mandolin/mainboard.c b/src/mainboard/amd/mandolin/mainboard.c
index 0d208da..6718d65 100644
--- a/src/mainboard/amd/mandolin/mainboard.c
+++ b/src/mainboard/amd/mandolin/mainboard.c
@@ -34,10 +34,14 @@
 	uint8_t pic_irq_num;
 	uint8_t apic_irq_num;
 } mandolin_fch[] = {
-	{ PIRQ_A,	8,		16 },
-	{ PIRQ_B,	10,		17 },
-	{ PIRQ_C,	11,		18 },
-	{ PIRQ_D,	12,		19 },
+	{ PIRQ_A,	10,		PIRQ_NC },
+	{ PIRQ_B,	11,		PIRQ_NC },
+	{ PIRQ_C,	12,		PIRQ_NC },
+	{ PIRQ_D,	13,		PIRQ_NC },
+	{ PIRQ_E,	13,		PIRQ_NC },
+	{ PIRQ_F,	12,		PIRQ_NC },
+	{ PIRQ_G,	11,		PIRQ_NC },
+	{ PIRQ_H,	10,		PIRQ_NC },
 	{ PIRQ_SCI,	9,		 9 },
 	{ PIRQ_SD,	PIRQ_NC,	16 },
 	{ PIRQ_SDIO,	PIRQ_NC,	16 },