booted via NOR. In this case we will enable certain pinmux early
as the ROM only partially sets up pinmux. We also default to using
NOR for environment.
+
+config DM
+ default y
+
+config DM_GPIO
+ default y if DM
+
+config DM_SERIAL
+ default y if DM
+
+config SYS_MALLOC_F
+ default y if DM
+
+config SYS_MALLOC_F_LEN
+ default 0x400 if DM
+
endif