rockchip: ringneck-px30/puma-rk3399: factor out storage medium selection
Ringneck PX30 and Puma RK3399 both have the same expectation with regard
to bootstd device order and U-Boot environment storage device, except
that Puma RK3399 also supports SPI Flash.
Let's move all of this into a common file where common logic can be put.
Cc: Quentin Schulz <foss+uboot@0leil.net>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/board/theobroma-systems/ringneck_px30/Makefile b/board/theobroma-systems/ringneck_px30/Makefile
index 31ada1a..45cc65b 100644
--- a/board/theobroma-systems/ringneck_px30/Makefile
+++ b/board/theobroma-systems/ringneck_px30/Makefile
@@ -5,3 +5,6 @@
#
obj-y += ringneck-px30.o
+ifneq ($(CONFIG_SPL_BUILD),y)
+obj-y += ../common/common.o
+endif