soc/amd/picasso/acpi.h: include missing header files

In the file uintptr_t that is defined in stdint.h and struct device that
is defined in device/device.h are used, so include them directly to
avoid having to rely on them being included in the file that includes
this header file.

Change-Id: I9893619924d45e5690a5cfc65252ace4cb7f1486
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47627
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/soc/amd/picasso/include/soc/acpi.h

@@ -6,6 +6,8 @@
 #include <acpi/acpi.h>
 #include <amdblocks/acpi.h>
 #include <amdblocks/gpio_banks.h>
+#include <device/device.h>
+#include <stdint.h>
 
 unsigned long southbridge_write_acpi_tables(const struct device *device,
 		unsigned long current, struct acpi_rsdp *rsdp);