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>
diff --git a/configs/chromebook_samus_tpl_defconfig b/configs/chromebook_samus_tpl_defconfig
index 74b7e9a..403b754 100644
--- a/configs/chromebook_samus_tpl_defconfig
+++ b/configs/chromebook_samus_tpl_defconfig
@@ -72,6 +72,8 @@
 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