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/env_default.h b/include/env_default.h
index ba1c3c0..7d5988a 100644
--- a/include/env_default.h
+++ b/include/env_default.h
@@ -75,7 +75,7 @@
"netmask=" __stringify(CONFIG_NETMASK) "\0"
#endif
#ifdef CONFIG_HOSTNAME
- "hostname=" __stringify(CONFIG_HOSTNAME) "\0"
+ "hostname=" CONFIG_HOSTNAME "\0"
#endif
#ifdef CONFIG_BOOTFILE
"bootfile=" CONFIG_BOOTFILE "\0"