soc/amd/picasso: Add data fabric pci_devs

The device ids are already defined in include/device/pci_ids.h as
PCI_DEVICE_ID_AMD_FAM17H_DF*.

BUG=b:147042464
TEST=Build trembyle

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ic68a1067e5976af972592d7352c40a5c66dbeb8c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41267
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/amd/picasso/include/soc/pci_devs.h b/src/soc/amd/picasso/include/soc/pci_devs.h
index a97391e..282d86c 100644
--- a/src/soc/amd/picasso/include/soc/pci_devs.h
+++ b/src/soc/amd/picasso/include/soc/pci_devs.h
@@ -89,6 +89,30 @@
 #define HDA1_DEVFN		PCI_DEVFN(HDA1_DEV, HDA1_FUNC)
 #define SOC_HDA1_DEV		_SOC_DEV(HDA1_DEV, HDA1_FUNC)
 
+/* Data Fabric functions */
+#define DF_DEV			0x18
+
+#define DF_F0_DEVFN		PCI_DEVFN(DF_DEV, 0)
+#define SOC_DF_F0_DEV		_SOC_DEV(DF_DEV, 0)
+
+#define DF_F1_DEVFN		PCI_DEVFN(DF_DEV, 1)
+#define SOC_DF_F1_DEV		_SOC_DEV(DF_DEV, 1)
+
+#define DF_F2_DEVFN		PCI_DEVFN(DF_DEV, 2)
+#define SOC_DF_F2_DEV		_SOC_DEV(DF_DEV, 2)
+
+#define DF_F3_DEVFN		PCI_DEVFN(DF_DEV, 3)
+#define SOC_DF_F3_DEV		_SOC_DEV(DF_DEV, 3)
+
+#define DF_F4_DEVFN		PCI_DEVFN(DF_DEV, 4)
+#define SOC_DF_F4_DEV		_SOC_DEV(DF_DEV, 4)
+
+#define DF_F5_DEVFN		PCI_DEVFN(DF_DEV, 5)
+#define SOC_DF_F5_DEV		_SOC_DEV(DF_DEV, 5)
+
+#define DF_F6_DEVFN		PCI_DEVFN(DF_DEV, 6)
+#define SOC_DF_F6_DEV		_SOC_DEV(DF_DEV, 6)
+
 /* USB 3.1 */
 #define XHCI0_DEV		0x0
 #define XHCI0_FUNC		3