drivers: sai: Use 0x0 as clock id if none is provided

We use the name cell at a given index to retrieve
a clock's id.

But not all clocks provide a name cell, so use 0x0 as clock-id
for these situations.

Signed-off-by: Daniel Baluta <[email protected]>

Author: dbaluta

drivers/dai/nxp/sai/sai.h

@@ -38,7 +38,7 @@ LOG_MODULE_REGISTER(nxp_dai_sai);
 
 /* used to retrieve a clock's ID using its index generated via _SAI_CLOCK_INDEX_ARRAY */
 #define _SAI_GET_CLOCK_ID(clock_idx, inst)\
-	DT_INST_CLOCKS_CELL_BY_IDX(inst, clock_idx, name)
+	DT_INST_PHA_BY_IDX_OR(inst, clocks, clock_idx, name, 0x0)
 
 /* used to retrieve a clock's name using its index generated via _SAI_CLOCK_INDEX_ARRAY */
 #define _SAI_GET_CLOCK_NAME(clock_idx, inst)\