sb/amd/agesa/hudson/amd_pci_int_defs.h: Fix comments

Change-Id: Iff701d8e6d672b3ca97d9d6361ba48736c06c6c1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50425
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
diff --git a/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h b/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h
index 16904f1..20c15f0 100644
--- a/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h
+++ b/src/southbridge/amd/agesa/hudson/amd_pci_int_defs.h
@@ -28,9 +28,9 @@
 #define PIRQ_MISC1	0x0A	/* Miscellaneous1 IRQ Settings */
 #define PIRQ_MISC2	0x0B	/* Miscellaneous2 IRQ Settings */
 #define PIRQ_SIRQA	0x0C	/* Serial IRQ INTA */
-#define PIRQ_SIRQB	0x0D	/* Serial IRQ INTA */
-#define PIRQ_SIRQC	0x0E	/* Serial IRQ INTA */
-#define PIRQ_SIRQD	0x0F	/* Serial IRQ INTA */
+#define PIRQ_SIRQB	0x0D	/* Serial IRQ INTB */
+#define PIRQ_SIRQC	0x0E	/* Serial IRQ INTC */
+#define PIRQ_SIRQD	0x0F	/* Serial IRQ INTD */
 #define PIRQ_SCI	0x10	/* SCI IRQ */
 #define PIRQ_SMBUS	0x11	/* SMBUS	14h.0 */
 #define PIRQ_ASF	0x12	/* ASF */