ast: Look for POWER9 LPC in ast_fixup_dt()

Currently ast_fixup_dt() only applies for P8.  This enables P9 also.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

platforms/astbmc/common.c

@@ -278,6 +278,12 @@ static void astbmc_fixup_dt(void)
 		if (dt_has_node_property(n, "#address-cells", NULL))
 			break;
 	}
+	dt_for_each_compatible(dt_root, n, "ibm,power9-lpc") {
+		if (!primary_lpc || dt_has_node_property(n, "primary", NULL))
+			primary_lpc = n;
+		if (dt_has_node_property(n, "#address-cells", NULL))
+			break;
+	}
 
 	if (!primary_lpc)
 		return;