ARM: uniphier: enable PINCTRL and SPL_PINCTRL

Now, UniPhier SoCs are ready to enable pinctrl drivers.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/ph1_pro4_defconfig b/configs/ph1_pro4_defconfig
index 7582fdf..0982d91 100644
--- a/configs/ph1_pro4_defconfig
+++ b/configs/ph1_pro4_defconfig
@@ -23,6 +23,8 @@
 CONFIG_NAND_DENALI_SPARE_AREA_SKIP_BYTES=8
 CONFIG_SPL_NAND_DENALI=y
 CONFIG_UNIPHIER_SERIAL=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_STORAGE=y