meta-asrock: initial skeleton of X570D4U support

This is a Micro-ATX single-socket AMD X570 server board with an AST2500 BMC.

Change-Id: If9c0cd2c0abfd6d106cdc37e144d71fb72b7cb56
Signed-off-by: Renze Nicolai <renze@rnplus.nl>
diff --git a/meta-asrock/meta-x570d4u/recipes-kernel/linux/linux-aspeed/x570d4u.cfg b/meta-asrock/meta-x570d4u/recipes-kernel/linux/linux-aspeed/x570d4u.cfg
new file mode 100644
index 0000000..29af18a
--- /dev/null
+++ b/meta-asrock/meta-x570d4u/recipes-kernel/linux/linux-aspeed/x570d4u.cfg
@@ -0,0 +1,4 @@
+# include i2c super-i/o driver, but not host-side (lpc) driver
+CONFIG_SENSORS_NCT6775_CORE=y
+CONFIG_SENSORS_NCT6775_I2C=y
+CONFIG_SENSORS_NCT6775=n