soc/amd/*/data_fabric: use DF_ prefix for bit and shift defines

Adding the DP_ prefix to the defines for MMIO_NP, MMIO_WE and MMIO_RE
clarifies the scope of those definitions. For consistency also add this
prefix to MMIO_DST_FABRIC_ID_SHIFT.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I3a509ccc071aa51a67552fb9e7195358a76fe4dc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59627
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
diff --git a/src/soc/amd/picasso/data_fabric.c b/src/soc/amd/picasso/data_fabric.c
index b5949f0..aec8a9e 100644
--- a/src/soc/amd/picasso/data_fabric.c
+++ b/src/soc/amd/picasso/data_fabric.c
@@ -44,7 +44,7 @@
 	for (i = 0; i < NUM_NB_MMIO_REGS; i++) {
 		/* Adjust all registers that overlap */
 		ctrl = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(i));
-		if (!(ctrl & (MMIO_WE | MMIO_RE)))
+		if (!(ctrl & (DF_MMIO_WE | DF_MMIO_RE)))
 			continue; /* not enabled */
 
 		base = data_fabric_broadcast_read32(0, NB_MMIO_BASE(i));
@@ -92,8 +92,8 @@
 	data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), np_bot);
 	data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), np_top);
 	data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg),
-			   (IOMS0_FABRIC_ID << MMIO_DST_FABRIC_ID_SHIFT) | MMIO_NP | MMIO_WE
-				   | MMIO_RE);
+			   (IOMS0_FABRIC_ID << DF_MMIO_DST_FABRIC_ID_SHIFT) | DF_MMIO_NP
+				   | DF_MMIO_WE | DF_MMIO_RE);
 
 	data_fabric_print_mmio_conf();
 }