docs: ocxl.rst: add it to the uAPI book

The content of this file is user-faced.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Andrew Donnellan <ajd@linux.ibm.com>

Documentation/accelerators/ocxl.rst → Documentation/userspace-api/accelerators/ocxl.rst

-:orphan:
-
 ========================================================
 OpenCAPI (Open Coherent Accelerator Processor Interface)
 ========================================================

Documentation/userspace-api/index.rst

@@ -20,6 +20,7 @@ place where this information is gathered.
    seccomp_filter
    unshare
    spec_ctrl
+   accelerators/ocxl
 
 .. only::  subproject and html
 

MAINTAINERS

@@ -11535,7 +11535,7 @@ F:	arch/powerpc/include/asm/pnv-ocxl.h
 F:	drivers/misc/ocxl/
 F:	include/misc/ocxl*
 F:	include/uapi/misc/ocxl.h
-F:	Documentation/accelerators/ocxl.rst
+F:	Documentation/userspace-api/accelerators/ocxl.rst
 
 OMAP AUDIO SUPPORT
 M:	Peter Ujfalusi <peter.ujfalusi@ti.com>