x86: Enable pinctrl in SPL and TPL

If these phases are used we typically want to enable pinctrl in then, so
that pad setup and GPIO access are possible.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

arch/Kconfig

@@ -193,6 +193,7 @@ config X86
 	imply SPL_OF_LIBFDT
 	imply SPL_DRIVERS_MISC_SUPPORT
 	imply SPL_GPIO_SUPPORT
+	imply SPL_PINCTRL
 	imply SPL_LIBCOMMON_SUPPORT
 	imply SPL_LIBGENERIC_SUPPORT
 	imply SPL_SERIAL_SUPPORT
@@ -206,6 +207,7 @@ config X86
 	imply TPL_DM
 	imply TPL_DRIVERS_MISC_SUPPORT
 	imply TPL_GPIO_SUPPORT
+	imply TPL_PINCTRL
 	imply TPL_LIBCOMMON_SUPPORT
 	imply TPL_LIBGENERIC_SUPPORT
 	imply TPL_SERIAL_SUPPORT

configs/chromebook_samus_tpl_defconfig

@@ -72,6 +72,8 @@ CONFIG_SYS_I2C_DW=y
 CONFIG_TPL_MISC=y
 CONFIG_CROS_EC=y
 CONFIG_CROS_EC_LPC=y
+# CONFIG_SPL_PINCTRL is not set
+# CONFIG_TPL_PINCTRL is not set
 CONFIG_SYS_NS16550=y
 CONFIG_SOUND=y
 CONFIG_SOUND_I8254=y