kexec, Kconfig: spell "architecture" properly

Grepping for "archicture" showed it actually twice! Most unusual
spelling error, very interesting. :)

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 2abf9f6..b2ed6a3 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -2512,7 +2512,7 @@
 			continue;
 
 		/*
-		 * Respective archicture needs to provide support for applying
+		 * Respective architecture needs to provide support for applying
 		 * relocations of type SHT_RELA/SHT_REL.
 		 */
 		if (sechdrs[i].sh_type == SHT_RELA)