src: capitalize 'APIC'

Change-Id: I487fb53bb2b011d214f002fc200ade2f128a4cc6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39030
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/southbridge/intel/i82801dx/smi.c b/src/southbridge/intel/i82801dx/smi.c
index 0de98ac..26dfc60e 100644
--- a/src/southbridge/intel/i82801dx/smi.c
+++ b/src/southbridge/intel/i82801dx/smi.c
@@ -305,7 +305,7 @@
 	 *  - Writes to io 0xb2 (APMC)
 	 *  - Writes to the Local Apic ICR with Delivery mode SMI.
 	 *
-	 * Using the local apic is a bit more tricky. According to
+	 * Using the local APIC is a bit more tricky. According to
 	 * AMD Family 11 Processor BKDG no destination shorthand must be
 	 * used.
 	 * The whole SMM initialization is quite a bit hardware specific, so