metag: tz1090: select and instantiate pinctrl-tz1090-pdc

Select PINCTRL_TZ1090_PDC from SOC_TZ1090 to enable the PDC pin
controller driver once it is merged, and instantiate it from
tz1090.dtsi.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
diff --git a/arch/metag/Kconfig.soc b/arch/metag/Kconfig.soc
index 6b11ca3..2a3c860 100644
--- a/arch/metag/Kconfig.soc
+++ b/arch/metag/Kconfig.soc
@@ -21,6 +21,7 @@
 	select METAG_SMP_WRITE_REORDERING
 	select PINCTRL
 	select PINCTRL_TZ1090
+	select PINCTRL_TZ1090_PDC
 	help
 	  This is a Toumaz Technology Xenif TZ1090 (A.K.A. Comet) SoC containing
 	  a 2-threaded HTP.