cosmetic: rockchip: rk3288: pinctrl: fix config symbol naming

The rk3288 pinctrl is very specific to this soc, so should
not hog the generic rockchip naming.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/chromebook_jerry_defconfig b/configs/chromebook_jerry_defconfig
index d5bc515..fd5314a 100644
--- a/configs/chromebook_jerry_defconfig
+++ b/configs/chromebook_jerry_defconfig
@@ -53,7 +53,7 @@
 CONFIG_PINCTRL=y
 CONFIG_SPL_PINCTRL=y
 # CONFIG_SPL_PINCTRL_FULL is not set
-CONFIG_ROCKCHIP_PINCTRL=y
+CONFIG_ROCKCHIP_RK3288_PINCTRL=y
 CONFIG_DM_PMIC=y
 # CONFIG_SPL_PMIC_CHILDREN is not set
 CONFIG_PMIC_RK808=y