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/M5373EVB.h b/include/configs/M5373EVB.h
index 7b2d1bb..faf098e 100644
--- a/include/configs/M5373EVB.h
+++ b/include/configs/M5373EVB.h
@@ -73,7 +73,7 @@
# define CONFIG_GATEWAYIP 192.162.1.1
#endif /* FEC_ENET */
-#define CONFIG_HOSTNAME M5373EVB
+#define CONFIG_HOSTNAME "M5373EVB"
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \
"loadaddr=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \