arch/x86: Fix typos

Change-Id: I944b9bf8f518eff9b539769825174bf1544e6b34
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38310
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c
index 493131e..2e60783 100644
--- a/src/arch/x86/acpigen.c
+++ b/src/arch/x86/acpigen.c
@@ -1006,7 +1006,7 @@
 	acpigen_emit_byte(WORD_PREFIX);
 	len_stack[ltop++] = acpigen_get_current();
 	/* Add 2 dummy bytes for the ACPI word (keep aligned with
-	   the calclulation in acpigen_write_resourcetemplate() below). */
+	   the calculation in acpigen_write_resourcetemplate() below). */
 	acpigen_emit_byte(0x00);
 	acpigen_emit_byte(0x00);
 }