treewide: Convert CONFIG_HOSTNAME to a string option
CONFIG_HOSTNAME is defined as a "plain" preprocessor string, but every
use is couched by __stringify(...).
Hence, convert it to a proper string option.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index d44cf78..9c4d01e 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -97,7 +97,7 @@
/* Extra Environment */
#define CONFIG_PREBOOT "run try_bootscript"
-#define CONFIG_HOSTNAME m28evk
+#define CONFIG_HOSTNAME "m28evk"
#define CONFIG_EXTRA_ENV_SETTINGS \
"consdev=ttyAMA0\0" \