bnxt_en: Support all variants of the 5750X chip family.

Define the 57508, 57504, and 57502 chip IDs that are all part of the
BNXT_CHIP_P5 family of chips.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index c61af57..e326208 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1362,7 +1362,9 @@ struct bnxt {
 
 #define CHIP_NUM_5745X		0xd730
 
-#define CHIP_NUM_57500		0x1750
+#define CHIP_NUM_57508		0x1750
+#define CHIP_NUM_57504		0x1751
+#define CHIP_NUM_57502		0x1752
 
 #define CHIP_NUM_58802		0xd802
 #define CHIP_NUM_58804		0xd804
@@ -1464,7 +1466,9 @@ struct bnxt {
 
 /* Chip class phase 5 */
 #define BNXT_CHIP_P5(bp)			\
-	((bp)->chip_num == CHIP_NUM_57500)
+	((bp)->chip_num == CHIP_NUM_57508 ||	\
+	 (bp)->chip_num == CHIP_NUM_57504 ||	\
+	 (bp)->chip_num == CHIP_NUM_57502)
 
 /* Chip class phase 4.x */
 #define BNXT_CHIP_P4(bp)			\