mb/asus/f2a85-m_pro: Enable super-I/O LDNs 0x0f and 0x14

The LDNs don't have a 0x30 register to enable them. However,
with the devices set to `off`, coreboot won't configure them.

Change-Id: Iaea37c88524904a1dae8a6d3b5f07c6ea25bc3b2
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46021
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/asus/f2a85-m/devicetree_f2a85-m_pro.cb

@@ -97,10 +97,10 @@ chip northbridge/amd/agesa/family15tn/root_complex
 						end
 						device pnp 2e.d off end	# WDT1
 						device pnp 2e.e off end # CIR WAKE-UP
-						device pnp 2e.f off	# GPIO Push-pull/Open-drain selection
+						device pnp 2e.f on	# GPIO Push-pull/Open-drain selection
 							irq 0xe6 = 7f
 						end
-						device pnp 2e.14 off # PORT80 UART
+						device pnp 2e.14 on	# PORT80 UART
 							irq 0xe0 = 0x00
 						end
 						device pnp 2e.16 off end # Deep Sleep