meson: misc_init_r is board-specific

Move it from meson-gxbb-common.h to odroid-c2.h to allow new boards not
to implement it.

Signed-off-by: Andreas Färber <afaerber@suse.de>

include/configs/meson-gxbb-common.h

@@ -17,7 +17,6 @@
 #define CONFIG_SYS_MAXARGS		32
 #define CONFIG_SYS_MALLOC_LEN		(32 << 20)
 #define CONFIG_SYS_CBSIZE		1024
-#define CONFIG_MISC_INIT_R
 
 #define CONFIG_SYS_SDRAM_BASE		0
 #define CONFIG_SYS_TEXT_BASE		0x01000000

include/configs/odroid-c2.h

@@ -8,6 +8,8 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#define CONFIG_MISC_INIT_R
+
 /* Serial setup */
 #define CONFIG_CONS_INDEX		0
 #define CONFIG_BAUDRATE			115200