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/aristainetos2b.h b/include/configs/aristainetos2b.h
index a680e76..9befb89 100644
--- a/include/configs/aristainetos2b.h
+++ b/include/configs/aristainetos2b.h
@@ -13,7 +13,7 @@
#define __ARISTAINETOS2B_CONFIG_H
#define CONFIG_SYS_BOARD_VERSION 3
-#define CONFIG_HOSTNAME aristainetos2
+#define CONFIG_HOSTNAME "aristainetos2"
#define CONFIG_BOARDNAME "aristainetos2-revB"
#define CONFIG_MXC_UART_BASE UART2_BASE