device/pci_ops: Apply some symmetry in headers

To make PCI driver side arch-agnostic, function
declarations have to be in symmetrical header
file locations.

From the driver side, the correct file to include
is now <device/pci_ops.h>

Change-Id: I8076a4867fd7472beaae0a021dcf0d9c7c905871
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31306
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/include/device/pci_mmio_cfg.h b/src/include/device/pci_mmio_cfg.h
index 2e2c19a..0545001 100644
--- a/src/include/device/pci_mmio_cfg.h
+++ b/src/include/device/pci_mmio_cfg.h
@@ -70,4 +70,46 @@
 	write32(addr, value);
 }
 
+#if IS_ENABLED(CONFIG_MMCONF_SUPPORT)
+
+#ifdef __SIMPLE_DEVICE__
+static __always_inline
+uint8_t pci_read_config8(pci_devfn_t dev, unsigned int where)
+{
+	return pci_mmio_read_config8(dev, where);
+}
+
+static __always_inline
+uint16_t pci_read_config16(pci_devfn_t dev, unsigned int where)
+{
+	return pci_mmio_read_config16(dev, where);
+}
+
+static __always_inline
+uint32_t pci_read_config32(pci_devfn_t dev, unsigned int where)
+{
+	return pci_mmio_read_config32(dev, where);
+}
+
+static __always_inline
+void pci_write_config8(pci_devfn_t dev, unsigned int where, uint8_t value)
+{
+	pci_mmio_write_config8(dev, where, value);
+}
+
+static __always_inline
+void pci_write_config16(pci_devfn_t dev, unsigned int where, uint16_t value)
+{
+	pci_mmio_write_config16(dev, where, value);
+}
+
+static __always_inline
+void pci_write_config32(pci_devfn_t dev, unsigned int where, uint32_t value)
+{
+	pci_mmio_write_config32(dev, where, value);
+}
+#endif /* __SIMPLE_DEVICE__ */
+
+#endif
+
 #endif /* _PCI_MMIO_CFG_H */