[U-Boot] rockchip: configs: use rockchip-common.h for rk3368

rockchip-common.h already defines values that are missing from
rk3368_common.h

For example BOOT_TARGET_DEVICES was defined empty and therefore
distroboot had no boot targets.

Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>

---

 include/configs/rk3368_common.h | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

> rockchip-common.h already defines values that are missing from
> rk3368_common.h
> 
> For example BOOT_TARGET_DEVICES was defined empty and therefore
> distroboot had no boot targets.
> 
> Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
> ---
> 
>  include/configs/rk3368_common.h | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 

Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

> rockchip-common.h already defines values that are missing from
> rk3368_common.h
> 
> For example BOOT_TARGET_DEVICES was defined empty and therefore
> distroboot had no boot targets.
> 
> Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
> ---
> 
>  include/configs/rk3368_common.h | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 

Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

Klaus,

> On 6 Oct 2017, at 10:12, Klaus Goger <klaus.goger@theobroma-systems.com> wrote:
> 
> rockchip-common.h already defines values that are missing from
> rk3368_common.h
> 
> For example BOOT_TARGET_DEVICES was defined empty and therefore
> distroboot had no boot targets.
> 
> Signed-off-by: Klaus Goger <klaus.goger@theobroma-systems.com>
> 
> ---
> 
> include/configs/rk3368_common.h | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/include/configs/rk3368_common.h b/include/configs/rk3368_common.h
> index 8b4155f37c..b643cc2464 100644
> --- a/include/configs/rk3368_common.h
> +++ b/include/configs/rk3368_common.h
> @@ -7,6 +7,8 @@
> #ifndef __CONFIG_RK3368_COMMON_H
> #define __CONFIG_RK3368_COMMON_H
> 
> +#include "rockchip-common.h"
> +
> #define CONFIG_SYS_CACHELINE_SIZE	64
> 
> #include <asm/arch/hardware.h>
> @@ -44,10 +46,6 @@
> 	"kernel_addr_r=0x280000\0" \
> 	"ramdisk_addr_r=0x5bf0000\0"
> 
> -#include <config_distro_defaults.h>
> -
> -#define BOOT_TARGET_DEVICES(func)
> -
> #include <config_distro_bootcmd.h>
> 
> #define CONFIG_EXTRA_ENV_SETTINGS \
> -- 
> 2.11.0
> 

This causes build-failures in buildman; please fix & resubmit:

Building current source for 25 boards (4 threads, 1 job per thread)
   aarch64:  +   geekbox                             
+In file included from include/configs/rk3368_common.h:49:0,
+                 from include/configs/geekbox.h:10,
+                 from include/config.h:5,
+                 from include/common.h:21,
+                 from env/common.c:11:
+include/config_distro_bootcmd.h:68:2: error: expected '}' before 'BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC'
+  BOOT_TARGET_DEVICES_references_MMC_without_CONFIG_CMD_MMC
+  ^
+include/config_distro_bootcmd.h:68:2: note: in definition of macro 'BOOTENV_DEV_NAME_MMC'
+  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+include/configs/rockchip-common.h:24:2: note: in expansion of macro 'BOOTENV_DEV_NAME'
+  func(MMC, mmc, 0) \
+  ^~~~
+include/config_distro_bootcmd.h:316:18: note: in expansion of macro 'BOOT_TARGET_DEVICES'
+  "boot_targets=" BOOT_TARGET_DEVICES(BOOTENV_DEV_NAME) "\0"
+                  ^~~~~~~~~~~~~~~~~~~
+include/config_distro_bootcmd.h:333:2: note: in expansion of macro 'BOOTENV_BOOT_TARGETS'
+  BOOTENV_BOOT_TARGETS \
+  ^~~~~~~~~~~~~~~~~~~~
+include/configs/rk3368_common.h:53:2: note: in expansion of macro 'BOOTENV'
+  BOOTENV
+  ^~~~~~~
+include/env_default.h:108:2: note: in expansion of macro 'CONFIG_EXTRA_ENV_SETTINGS'
+  CONFIG_EXTRA_ENV_SETTINGS
+  ^~~~~~~~~~~~~~~~~~~~~~~~~
+make[2]: *** [env/common.o] Error 1
+make[1]: *** [env] Error 2
+make: *** [sub-make] Error 2