imx: mx7d: move MX7D to Kconfig entry
If including MX7D in CONFIG_SYS_EXTRA_OPTIONS, CONFIG_ROM_UNIFIED_SECTIONS
will not effect.So move MX7D to Kconfig entry from CONFIG_SYS_EXTRA_OPTIONS to
"select MX7D" to boards using i.MX7 Dual.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/arch/arm/cpu/armv7/mx7/Kconfig b/arch/arm/cpu/armv7/mx7/Kconfig
index 8e1ddcda..ecfa4a2 100644
--- a/arch/arm/cpu/armv7/mx7/Kconfig
+++ b/arch/arm/cpu/armv7/mx7/Kconfig
@@ -15,6 +15,7 @@
config TARGET_MX7DSABRESD
bool "mx7dsabresd"
+ select MX7D
select DM
select DM_THERMAL