doc: cleanup UIO hard requirement

UIO is not a must for all PMDs.

Cleaning up the Linux Getting Started Guide from this hard requirement.

Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

doc/guides/linux_gsg/build_sample_apps.rst

@@ -98,12 +98,14 @@ Running a Sample Application
 
 .. warning::
 
-    The UIO drivers and hugepages must be setup prior to running an application.
+    Before running the application make sure:
 
-.. warning::
+    - Hugepages setup is done.
+    - Any kernel driver being used is loaded.
+    - In case needed, ports being used by the application should be
+      bound to the corresponding kernel driver.
 
-    Any ports to be used by the application must be already bound to an appropriate kernel
-    module, as described in :ref:`linux_gsg_binding_kernel`, prior to running the application.
+    refer to :ref:`linux_gsg_linux_drivers` for more details.
 
 The application is linked with the DPDK target environment's Environmental Abstraction Layer (EAL) library,
 which provides some options that are generic to every DPDK application.

doc/guides/linux_gsg/sys_reqs.rst

@@ -131,8 +131,6 @@ System Software
 
     For other kernel builds, options which should be enabled for DPDK include:
 
-    *   UIO support
-
     *   HUGETLBFS
 
     *   PROC_PAGE_MONITOR  support