[PATCH v1 39/41] Readme.md: Add a link to PRM Specification

["Michael Kubacki" <mikuback@linux.microsoft.com>]

From: Michael Kubacki <michael.kubacki@microsoft.com>

Adds a link to the PRM Specification now that it is available on uefi.org.

Cc: Andrew Fish <afish@apple.com>
Cc: Kang Gao <kang.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Benjamin You <benjamin.you@intel.com>
Cc: Liu Yun <yun.y.liu@intel.com>
Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
---
 PrmPkg/Readme.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/PrmPkg/Readme.md b/PrmPkg/Readme.md
index 4aec5982af54..848f898ab6d3 100644
--- a/PrmPkg/Readme.md
+++ b/PrmPkg/Readme.md
@@ -5,6 +5,8 @@ code module that executes within the OS context. Moving this firmware to the OS
 and mitigates the negative system impact currently accompanied with SMM solutions. Futhermore, the PRM code is
 packaged into modules with well-defined entry points, each representing a specific PRM functionality.
 
+For more details on PRM, refer to the [Platform Runtime Mechanism Specification on uefi.org](https://uefi.org/sites/default/files/resources/Platform%20Runtime%20Mechanism%20-%20with%20legal%20notice.pdf).
+
 The `PrmPkg` maintained in this branch provides a single cohesive set of generic PRM functionality that is intended
 to be leveraged by platform firmware with minimal overhead to integrate PRM functionality in the firmware.
 
-- 
2.28.0.windows.1