docs: pci: endpoint/function/binding/pci-test.txt convert to ReST

Convert this file to ReST by adding a proper title to it and
use the right markups for a table.

While here, add a SPDX header.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/6254963b85417e44865dab05e4b99cd485074132.1592203650.git.mchehab+huawei@kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/PCI/endpoint/function/binding/pci-test.rst

@@ -0,0 +1,26 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+PCI Test Endpoint Function
+==========================
+
+name: Should be "pci_epf_test" to bind to the pci_epf_test driver.
+
+Configurable Fields:
+
+================   ===========================================================
+vendorid	   should be 0x104c
+deviceid	   should be 0xb500 for DRA74x and 0xb501 for DRA72x
+revid		   don't care
+progif_code	   don't care
+subclass_code	   don't care
+baseclass_code	   should be 0xff
+cache_line_size	   don't care
+subsys_vendor_id   don't care
+subsys_id	   don't care
+interrupt_pin	   Should be 1 - INTA, 2 - INTB, 3 - INTC, 4 -INTD
+msi_interrupts	   Should be 1 to 32 depending on the number of MSI interrupts
+		   to test
+msix_interrupts	   Should be 1 to 2048 depending on the number of MSI-X
+		   interrupts to test
+================   ===========================================================

Documentation/PCI/endpoint/function/binding/pci-test.txt

@@ -1,19 +0,0 @@
-PCI TEST ENDPOINT FUNCTION
-
-name: Should be "pci_epf_test" to bind to the pci_epf_test driver.
-
-Configurable Fields:
-vendorid	 : should be 0x104c
-deviceid	 : should be 0xb500 for DRA74x and 0xb501 for DRA72x
-revid		 : don't care
-progif_code	 : don't care
-subclass_code	 : don't care
-baseclass_code	 : should be 0xff
-cache_line_size	 : don't care
-subsys_vendor_id : don't care
-subsys_id	 : don't care
-interrupt_pin	 : Should be 1 - INTA, 2 - INTB, 3 - INTC, 4 -INTD
-msi_interrupts	 : Should be 1 to 32 depending on the number of MSI interrupts
-		   to test
-msix_interrupts	 : Should be 1 to 2048 depending on the number of MSI-X
-		   interrupts to test

Documentation/PCI/endpoint/index.rst

@@ -11,3 +11,5 @@ PCI Endpoint Framework
    pci-endpoint-cfs
    pci-test-function
    pci-test-howto
+
+   function/binding/pci-test

Documentation/misc-devices/pci-endpoint-test.rst

@@ -53,4 +53,4 @@ ioctl
 	      Perform read tests. The size of the buffer should be passed
 	      as argument.
 
-.. [1] Documentation/PCI/endpoint/function/binding/pci-test.txt
+.. [1] Documentation/PCI/endpoint/function/binding/pci-test.rst