configs: Add RPI4 ACPI defconfig

Allows to build the RPi4 with ACPI enabled.

TEST: - Boots on qemu-system-aarch64 -machine raspi4b
      - Boots on real hardware with arm_64bit=1 in config.txt

Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Matthias Brugger <mbrugger@suse.com>
Cc: Peter Robinson <pbrobinson@gmail.com>
diff --git a/configs/rpi_4_acpi_defconfig b/configs/rpi_4_acpi_defconfig
new file mode 100644
index 0000000..b32dfc1
--- /dev/null
+++ b/configs/rpi_4_acpi_defconfig
@@ -0,0 +1,10 @@
+#include <configs/rpi_4_defconfig>
+
+CONFIG_ARM=y
+CONFIG_ARCH_BCM283X=y
+CONFIG_TARGET_RPI_4=y
+CONFIG_BLOBLIST_ALLOC=y
+CONFIG_OF_BOARD=y
+CONFIG_ACPI=y
+CONFIG_GENERATE_ACPI_TABLE=y
+