soc/amd: Include <gpio.h> instead of <soc/gpio.h>

<gpio.h> chain-include <soc/gpio.h>.

Change-Id: I112e41ad4c7ee638954dfe3f1ddfeb10c138459a
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71807
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>

src/soc/amd/picasso/acpi.c

@@ -15,6 +15,7 @@
 #include <cpu/x86/smm.h>
 #include <device/device.h>
 #include <device/pci.h>
+#include <gpio.h>
 #include <amdblocks/acpimmio.h>
 #include <amdblocks/acpi.h>
 #include <amdblocks/chip.h>
@@ -24,7 +25,6 @@
 #include <soc/pci_devs.h>
 #include <soc/msr.h>
 #include <soc/southbridge.h>
-#include <soc/gpio.h>
 #include <version.h>
 #include "chip.h"