dts: do not cut down pinctrl-0 and pinctrl-names for SPL full-pinctrl

These properties are necessary to use full-featured pinctrl drivers
in SPL.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>

dts/Kconfig

@@ -59,6 +59,7 @@ config DEFAULT_DEVICE_TREE
 config OF_SPL_REMOVE_PROPS
 	string "List of device tree properties to drop for SPL"
 	depends on SPL_OF_CONTROL
+	default "clocks clock-names interrupt-parent" if SPL_PINCTRL_FULL
 	default "pinctrl-0 pinctrl-names clocks clock-names interrupt-parent"
 	help
 	  Since SPL normally runs in a reduced memory space, the device tree