i3c: aspeed: Reduce the size of DAT related variables

The number of the entries of the hardware DAT is 8 on either AST1030 or
AST2600. So there is no need to reserve 32x dev_desc and dev_addr_tbl.
Reduce their size to 8x to improve the memory footprint.

Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Change-Id: Ib90663e1cd7f9a5ea799d230680f844944338f90

drivers/i3c/i3c_aspeed.c

@@ -559,9 +559,9 @@ struct i3c_aspeed_obj {
 
 	union i3c_dev_addr_tbl_ptr_s hw_dat;
 	uint32_t hw_dat_free_pos;
-	uint8_t dev_addr_tbl[32];
+	uint8_t dev_addr_tbl[8];
 
-	struct i3c_dev_desc *dev_descs[32];
+	struct i3c_dev_desc *dev_descs[8];
 
 	/* slave mode data */
 	struct i3c_slave_setup slave_data;