sb/intel: Replace bad uses of `find_resource`

The `find_resource` function will never return null (will die instead).
In cases where the existing code already accounts for null pointers, it
is better to use `probe_resource` instead, which returns a null pointer
instead of dying.

Change-Id: I13c7ebeba2e5a896d46231b5e176e5470da97343
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58905
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
diff --git a/src/southbridge/intel/i82801ix/azalia.c b/src/southbridge/intel/i82801ix/azalia.c
index 90d784c..2646cbc 100644
--- a/src/southbridge/intel/i82801ix/azalia.c
+++ b/src/southbridge/intel/i82801ix/azalia.c
@@ -179,7 +179,7 @@
 	/* Lock some R/WO bits by writing their current value. */
 	pci_update_config32(dev, 0x74, ~0, 0);
 
-	res = find_resource(dev, PCI_BASE_ADDRESS_0);
+	res = probe_resource(dev, PCI_BASE_ADDRESS_0);
 	if (!res)
 		return;