x86: Correct Chrromebook typo

Fix a typo in a comment.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/x86/lib/fsp/fsp_dram.c b/arch/x86/lib/fsp/fsp_dram.c
index 2bd408d..cc889a6 100644
--- a/arch/x86/lib/fsp/fsp_dram.c
+++ b/arch/x86/lib/fsp/fsp_dram.c
@@ -60,7 +60,7 @@
 	 *
 	 * However it seems FSP2's behavior is different. We need to add the
 	 * DRAM range in MTRR otherwise the boot process goes very slowly,
-	 * which was observed on Chrromebook Coral with FSP2.
+	 * which was observed on Chromebook Coral with FSP2.
 	 */
 	update_mtrr = CONFIG_IS_ENABLED(FSP_VERSION2);