misc: Add host side PCI driver for PCI test function device

Add PCI endpoint test driver that can verify base address register, legacy
interrupt/MSI interrupt and read/write/copy buffers between host and
device. The corresponding pci-epf-test function driver should be used on
the EP side.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index c290990..527b115 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -771,6 +771,13 @@
 
 endif # PANEL
 
+config PCI_ENDPOINT_TEST
+	depends on PCI
+	tristate "PCI Endpoint Test driver"
+	---help---
+           Enable this configuration option to enable the host side test driver
+           for PCI Endpoint.
+
 source "drivers/misc/c2port/Kconfig"
 source "drivers/misc/eeprom/Kconfig"
 source "drivers/misc/cb710/Kconfig"