x86: cosmetic: Fix a typo in the reserve_arch() comments

It should be fsp_continue().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/cpu.c

@@ -315,7 +315,7 @@ int reserve_arch(void)
 		if (IS_ENABLED(CONFIG_HAVE_FSP)) {
 			/*
 			 * Save stack address to CMOS so that at next S3 boot,
-			 * we can use it as the stack address for fsp_contiue()
+			 * we can use it as the stack address for fsp_continue()
 			 */
 			fsp_save_s3_stack();
 		}