spear: Use upper case for CONFIG options

There are a few options which use lower case. We should use upper case for
all CONFIG options.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Add usbtty/nand hunk to include/configs/spear3xx_evb.h]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/spear3xx_evb.h b/include/configs/spear3xx_evb.h
index 8090bc8..dd73a4d 100644
--- a/include/configs/spear3xx_evb.h
+++ b/include/configs/spear3xx_evb.h
@@ -12,22 +12,19 @@
  * High Level Configuration Options
  * (easy to change)
  */
-#if defined(CONFIG_spear300)
+#if defined(CONFIG_SPEAR300)
 #define CONFIG_SPEAR3XX
-#define CONFIG_SPEAR300
-#elif defined(CONFIG_spear310)
+#elif defined(CONFIG_SPEAR310)
 #define CONFIG_SPEAR3XX
-#define CONFIG_SPEAR310
-#elif defined(CONFIG_spear320)
+#elif defined(CONFIG_SPEAR320)
 #define CONFIG_SPEAR3XX
-#define CONFIG_SPEAR320
 #endif
 
-#if defined(CONFIG_usbtty)
+#if defined(CONFIG_USBTTY)
 #define CONFIG_SPEAR_USBTTY
 #endif
 
-#if defined(CONFIG_nand)
+#if defined(CONFIG_NAND)
 #define CONFIG_ENV_IS_IN_NAND
 #else
 #define CONFIG_ENV_IS_IN_FLASH