arch: imxrt: Fix CONFIG_IMXRT_ENET_ENHANCEDBD

Summary:
- I noticed that CONFIG_IMXRT_ENET_ENHANCEDBD is not correctly
  used though it is defined in Kconfig.
- This commit fixes this issue.

Impact:
- None

Testing:
- Tested with imxrt1060-evk:netnsh_dcache_wb (will be added later)

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>

arch/arm/src/imxrt/hardware/imxrt_enet.h

@@ -640,7 +640,7 @@
 
 /* Legacy Buffer Descriptor */
 
-#ifdef CONFIG_ENET_ENHANCEDBD
+#ifdef CONFIG_IMXRT_ENET_ENHANCEDBD
 #ifdef IMXRT_USE_DBSWAP
 /* When DBSWP is used to swap the bytes in hardware, it is done 32-bits
  * at a time.  Therefore, all 16 bit elements need to be swapped to
@@ -675,7 +675,7 @@ struct enet_desc_s
   uint32_t reserved2;   /* unused */
 };
 #endif /* IMXRT_USE_DBSWAP */
-#else /* CONFIG_ENET_ENHANCEDBD */
+#else /* CONFIG_IMXRT_ENET_ENHANCEDBD */
 #ifdef IMXRT_USE_DBSWAP
 struct enet_desc_s
 {
@@ -691,7 +691,7 @@ struct enet_desc_s
   uint8_t  *data;       /* Buffer address */
 };
 #endif /* IMXRT_USE_DBSWAP */
-#endif /* CONFIG_ENET_ENHANCEDBD */
+#endif /* CONFIG_IMXRT_ENET_ENHANCEDBD */
 
 /****************************************************************************
  * Public Data

arch/arm/src/imxrt/imxrt_enet.c

@@ -159,7 +159,8 @@
  * REVISIT: The size of descriptors and buffers must also be in even units
  * of the cache line size  That is because the operations to clean and
  * invalidate the cache will operate on a full 32-byte cache line.  If
- * CONFIG_ENET_ENHANCEDBD is selected, then the size of the descriptor is
+ * CONFIG_IMXRT_ENET_ENHANCEDBD is selected,
+ * then the size of the descriptor is
  * 32-bytes (and probably already the correct size for the cache line);
  * otherwise, the size of the descriptors much smaller, only 8 bytes.
  */
@@ -665,7 +666,7 @@ static int imxrt_transmit(struct imxrt_driver_s *priv)
    */
 
   txdesc->length   = imxrt_swap16(priv->dev.d_len);
-#ifdef CONFIG_IMXRT_ENETENHANCEDBD
+#ifdef CONFIG_IMXRT_ENET_ENHANCEDBD
   txdesc->bdu      = 0x00000000;
   txdesc->status2  = TXDESC_INT | TXDESC_TS; /* | TXDESC_IINS | TXDESC_PINS; */
 #endif
@@ -1343,7 +1344,7 @@ static int imxrt_ifup_action(struct net_driver_s *dev, bool resetphy)
 
   /* Select legacy of enhanced buffer descriptor format */
 
-#ifdef CONFIG_IMXRT_ENETENHANCEDBD
+#ifdef CONFIG_IMXRT_ENET_ENHANCEDBD
   imxrt_enet_putreg32(priv, ENET_ECR_EN1588, IMXRT_ENET_ECR_OFFSET);
 #else
   imxrt_enet_putreg32(priv, 0, IMXRT_ENET_ECR_OFFSET);
@@ -2608,7 +2609,7 @@ static void imxrt_initbuffers(struct imxrt_driver_s *priv)
       priv->txdesc[i].status1 = 0;
       priv->txdesc[i].length  = 0;
       priv->txdesc[i].data    = (uint8_t *)imxrt_swap32((uint32_t)addr);
-#ifdef CONFIG_IMXRT_ENETENHANCEDBD
+#ifdef CONFIG_IMXRT_ENET_ENHANCEDBD
       priv->txdesc[i].status2 = TXDESC_IINS | TXDESC_PINS;
 #endif
       addr                   += ALIGNED_BUFSIZE;
@@ -2621,7 +2622,7 @@ static void imxrt_initbuffers(struct imxrt_driver_s *priv)
       priv->rxdesc[i].status1 = RXDESC_E;
       priv->rxdesc[i].length  = 0;
       priv->rxdesc[i].data    = (uint8_t *)imxrt_swap32((uint32_t)addr);
-#ifdef CONFIG_IMXRT_ENETENHANCEDBD
+#ifdef CONFIG_IMXRT_ENET_ENHANCEDBD
       priv->rxdesc[i].bdu     = 0;
       priv->rxdesc[i].status2 = RXDESC_INT;
 #endif