ARM: uniphier: enable CONFIG_SYS_NO_FLASH if no CONFIG_MICRO_SUPPORT_CARD

NOR flash devices are seldom used on UniPhier platforms these days.
The only use case I see is the Micro Support Card is connected.
Otherwise, define CONFIG_SYS_NO_FLASH to disable NOR FLASH.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

include/configs/uniphier.h

@@ -40,10 +40,9 @@
 /* FLASH related */
 #define CONFIG_MTD_DEVICE
 
-/*
- * uncomment the following to disable FLASH related code.
- */
-/* #define CONFIG_SYS_NO_FLASH */
+#ifndef CONFIG_MICRO_SUPPORT_CARD
+#define CONFIG_SYS_NO_FLASH
+#endif
 
 #define CONFIG_FLASH_CFI_DRIVER
 #define CONFIG_SYS_FLASH_CFI