ARM: uniphier: fix typos in a comment block

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 29be00a..bb873a4 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -54,7 +54,7 @@
 #define CONFIG_SYS_FLASH_BASE		0
 
 /*
- * flash_toggle does not work for out supoort card.
+ * flash_toggle does not work for our support card.
  * We need to use flash_status_poll.
  */
 #define CONFIG_SYS_CFI_FLASH_STATUS_POLL